Why the elements belonging to the same group do have similar chemical properties ?

Why the elements belonging to the same group do have similar chemical properties ?
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Why the elements belonging to the same group do have similar chemical properties?
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a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Description : a) What is meant by periodicity in properties of elements with reference to the periodic table? (b) Why do all the elements of the same group have similar properties? (c) How will the tendency to gain electrons change as we go from left to right across a period? Why? -Science

Last Answer : (a) The repetition of same properties after definite interval is called periodicity in properties. (b) It is because they have same valence electrons therefore, have similar properties. (c) ... to right in a period because atomic size goes on decreasing and effective nuclear charge increases.

The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the average atomic mass of elements X and Z compare with the atomic mass of element Y? c) Which law of classification of elements is illustrated by this example? d) Give another example of a set of elements which are classified according to this law.

Description : The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the ... this example? d) Give another example of a set of elements which are classified according to this law.

Last Answer : a) The average atomic mass of X and Z = 7 39 2 46 2 23 b) The average atomic mass of X and Z is equal to the atomic mass of Y c) The law illustrated in this example is Dobereiner’s law of triads. d) Another example of Dobereiner’s law is Calcium, Strontium and Barium.

Law of octaves says that if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of elements

Description : Law of octaves says that if the chemical elements are arranged according to increasing atomic weight, those with similar physical and chemical properties occur after each interval of elements

Last Answer : 7

Give reason: Metals belonging to the same group form good alloys.

Description : Give reason: Metals belonging to the same group form good alloys.

Last Answer : As metals belonging to the same group in the periodic table have similarities in electronic configuration.

Magnesium and calcium are in the same group on the periodic table. Which sentence best explains why they have similar properties?

Description : Magnesium and calcium are in the same group on the periodic table. Which sentence best explains why they have similar properties?

Last Answer : C. They both have two......

Which of the following pair of elements has similar properties ?

Description : Which of the following pair of elements has similar properties ?

Last Answer : Which of the following pair of elements has similar properties? a. 13, 31 b. 11, 20 c. 12, 10 d. 21, 33

What elements have similar properties with krypton?

Description : What elements have similar properties with krypton?

Last Answer : What is the answer ?

In 1866, John Newlands, an English scientist, arranged the then known elements in the order of increasing atomic masses. He found that every eighth element had properties similar to that of the first. He called it the - (1) Law of Pentamates (2) Law of musical notes (3) Law of Octaves (4) None of the above

Description : In 1866, John Newlands, an English scientist, arranged the then known elements in the order of increasing atomic masses. He found that every eighth element had properties similar to that of the first. He called it ... of Pentamates (2) Law of musical notes (3) Law of Octaves (4) None of the above

Last Answer : (3) Law of Octaves Explanation: Newlands compared his discovery to the octaves found in music and thus, he called it the ‘Law of Octaves’. It is also known as ‘Newlands’ Law of Octaves’.

An arrangement of elements with similar properties placed together is called?

Description : An arrangement of elements with similar properties placed together is called?

Last Answer : Periodic Table

According to Newland’s classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the

Description : According to Newland’s classification of elements, the properties of sulphur are similar to those of oxygen because sulphur is the

Last Answer : eighth element starting from oxygen

X and Y are the two elements having similar properties which obey Newland’s law of octaves. How many elements are there in-between X and Y?

Description : X and Y are the two elements having similar properties which obey Newland’s law of octaves. How many elements are there in-between X and Y?

Last Answer : There are 6 elements between X and Y

(a) What are ‘groups’ and ‘periods’ in the ‘periodic table’? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic table. How do the following properties of M and N vary? Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Description : (a) What are groups' and periods' in the periodic table'? (b) Two elements M and N belong to group I and II respectively and are in the same period of the periodic ... Sizes of their atoms Their metallic characters Their valencies in forming oxides Molecular formulae of their chlorides -Science

Last Answer : (a) The vertical columns in the periodic table are called groups'. The horizontal rows in the periodic table are called periods'. (b) M' and N' belong to same period but group I ... oxides. Valency goes on increasing first and then decreases. MCI, NCI2 are molecular formulae of their chlorides.

The similarity in the properties of a group of elements is because they have same number

Description : The similarity in the properties of a group of elements is because they have same number

Last Answer : of outer electrons.

What is a food deep yellow inside belonging to the vegtable group?

Description : What is a food deep yellow inside belonging to the vegtable group?

Last Answer : Feel Free to Answer

Vegetables belonging to the cross pollinated group is a. Peas b. Tomato c. a & b d. Cabbage

Description : Vegetables belonging to the cross pollinated group is a. Peas b. Tomato c. a & b d. Cabbage

Last Answer : Cabbage

What element has similar chemical properties to phosphorus?

Description : What element has similar chemical properties to phosphorus?

Last Answer : Need answer

What groups of elements should have very different chemical properties in the periodic table?

Description : What groups of elements should have very different chemical properties in the periodic table?

Last Answer : Feel Free to Answer

Which group has elements with the most diverse set of properties?

Description : Which group has elements with the most diverse set of properties?

Last Answer : Group 4a Or group 14

Geitonogamy involves (a) fertilisation of a flower by the pollen from another flower of the same plant (b) fertilisation of a flower by the pollen from the same flower (c) fertilisation of a flower by the pollen from a flower of another plant in the same population (d) fertilisation of a flower by the pollen from a flower of another plant belonging to a distant population.

Description : Geitonogamy involves (a) fertilisation of a flower by the pollen from another flower of the same plant (b) fertilisation of a flower by the pollen from the same flower (c) fertilisation of a flower ... of a flower by the pollen from a flower of another plant belonging to a distant population.

Last Answer : (a) fertilisation of a flower by the pollen from another flower of the same plant

Geitonogamy involves:a)Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population.b)Fertilization of a flower by the pollen from another flower of the same plant.c)Fertilization of a flower bythe pollen from the same flower.d)Fertilization of a flower by the pollen from a flower of another plant in the same population

Description : Geitonogamy involves:a)Fertilization of a flower by the pollen from a flower of another plant belonging to a distant population.b)Fertilization of a flower by the pollen from another flower of the same ... flower by the pollen from a flower of another plant in the same population

Last Answer : b)Fertilization of a flower by the pollen from another flower of the same plant

Isoenzymes are (A) Chemically, immunologically and electrophoretically different forms of an enzyme (B) Different forms of an enzyme similar in all properties (C) Catalysing different reactions (D) Having the same quaternary structures like the enzymes

Description : Isoenzymes are (A) Chemically, immunologically and electrophoretically different forms of an enzyme (B) Different forms of an enzyme similar in all properties (C) Catalysing different reactions (D) Having the same quaternary structures like the enzymes

Last Answer : Answer : A

Classify minerals into two groups on the basis of chemical and physical properties and give one example of minerals of each group. -Geography

Description : Classify minerals into two groups on the basis of chemical and physical properties and give one example of minerals of each group. -Geography

Last Answer : Minerals are classified on the basis of their physical properties and chemical properties such as: Metallic Minerals Metallic minerals are those that are rich in metals and a source to procure a variety of ... is rich in building stones i.e. sandstone, granite, marble, fuller's earth, and gypsum

Are the properties of a compound are always the same as the properties of the elements in a compound?

Description : Are the properties of a compound are always the same as the properties of the elements in a compound?

Last Answer : Not always. For example sodium (Na), a metal that reacts violently with water, and chlorine (Cl), a yellow poisonous gas, combine to make table salt, which has none of these properties. But in others cases there are some similarities, like in a metal alloy.

Both living and the non-living are made of same elements and are governed by the similar physical laws. In which respect are they different?

Description : Both living and the non-living are made of same elements and are governed by the similar physical laws. In which respect are they different?

Last Answer : Answer: Level organization.

Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Description : Name this chemical element. The principal use of this element has been in solid-state electronic devices, notably transistors. Its position in the periodic table is in group "4A". The element's atomic number is 32 and its chemical symbol is Ge.

Last Answer : ANSWER: GERMANIUM

What are the cons of classified information belonging to the U.S. government being leaked?

Description : What are the cons of classified information belonging to the U.S. government being leaked?

Last Answer : If we talked about something one time, say, bombing Disneyland with chemical weapons, and then we find out the Government knows about it, we can figure out how they found out. Did we talk on ... which the Feds may not be monitoring. Mickey gets gassed because we got tipped to the Feds procedure.

If when beachcombing you find something belonging to the Government and they deny all knowledge of it. Can you keep it?e?

Description : If when beachcombing you find something belonging to the Government and they deny all knowledge of it. Can you keep it?e?

Last Answer : answer:I would test it for radiation first. I’m not kidding about that. You can keep it until the government decides it wants it back. They will let you know.

Marine crustaceans belonging to the order Stomatopoda, one part of the class Malacostraca, the largest class of crustaceans. They are neither shrimp nor mantids, but receive their name purely from the physical resemblance.

Description : Marine crustaceans belonging to the order Stomatopoda, one part of the class Malacostraca, the largest class of crustaceans. They are neither shrimp nor mantids, but receive their name purely from the physical resemblance.

Last Answer : what has ten legs and is crawling down the stairs?

Describe the ways in which the novels in India attempted to create a sense of pan- Indian belonging. -SST 10th

Description : Describe the ways in which the novels in India attempted to create a sense of pan- Indian belonging. -SST 10th

Last Answer : (i) To create a sense of equality : Colonial rulers regarded the contemporary culture of India as inferior, On the other hand, Indian novelist wrote to develop a modern literature of the country ... Muslims to establish a Hindu kingdom. It was a novel that inspired many kinds of freedom fighters.

How did people belonging to different communities, regions or language groups in India develop a sense of collective belonging? -SST 10th

Description : How did people belonging to different communities, regions or language groups in India develop a sense of collective belonging? -SST 10th

Last Answer : The people belonging to different communities develop a sense of collective belonging through :- 1.The creation of the image of Bharat mata by Bankim chandra chattopadhoy created a sense of national ... 3. Creation of National identity through Folklore. 4.The creation of Indian flag by Gandhiji.

How did people belonging to different communities, regions or language groups develop a sense of collective belonging? -SST 10th

Description : How did people belonging to different communities, regions or language groups develop a sense of collective belonging? -SST 10th

Last Answer : This sense of collective belonging came partly through the experience of united struggles and growing anger among people against the colonial government. But there were also a variety of ... feeling of nationalism. (d)Creating a feeling of nationalism was through reinterpretation of history.

Describe the events of French Revolution which had influenced the people belonging to other parts of Europe. -SST 10th

Description : Describe the events of French Revolution which had influenced the people belonging to other parts of Europe. -SST 10th

Last Answer : Events of French Revolution that influenced the other parts of Europe: 1. The first uprising happened in July 1830 in France when the Bourbon kings were overthrown by liberal revolutionaries ... National Assembly established a republic in France based on universal male suffrage and right to work.

How did people belonging to different communities, regions or languages develop a sense of collective belonging ? Explain with examples. -SST 10th

Description : How did people belonging to different communities, regions or languages develop a sense of collective belonging ? Explain with examples. -SST 10th

Last Answer : A sense of collective belonging was developed: 1. Images: Nation came to be symbolized through various images of Bharat Mata. Bankim Chandra Chattopadhyay, who also wrote 'Vande Mataram' for the ... : When the Hindu past and Hindu iconography was being glorified, other communities felt left out.

How did people belonging to different communities, regions or languages develop a sense of collective belonging ? Explain with examples. -SST 10th

Description : How did people belonging to different communities, regions or languages develop a sense of collective belonging ? Explain with examples. -SST 10th

Last Answer : A sense of collective belonging was developed: 1. Images: Nation came to be symbolized through various images of Bharat Mata. Bankim Chandra Chattopadhyay, who also wrote 'Vande Mataram' for the ... : When the Hindu past and Hindu iconography was being glorified, other communities felt left out.

Explain the shared beliefs and common bonds that give rise to a sense of common belonging. -SST 10th

Description : Explain the shared beliefs and common bonds that give rise to a sense of common belonging. -SST 10th

Last Answer : Common bonds that give rise to common belonging are : (i) Experiences of common struggles (against colonialism, against oppression, against poverty caused by a colonial rule). (ii) Through symbols : ... Movement. He tried to forge a sense of unity among the different social groups in India.

Describe the events of French Revolution which had influenced the people belonging to other parts of Europe. -SST 10th

Description : Describe the events of French Revolution which had influenced the people belonging to other parts of Europe. -SST 10th

Last Answer : (i) When the news of the events in France reached the different cities of Europe,students and other members of educated middle-classes began setting up Jacobin clubs. (ii) Their activities and ... outbreak of the revolutionary wars, the French armies began to carry the idea of nationalism abroad.

How did the historical novels in India try to create a sense of Pan-Indian belonging? -SST 10th

Description : How did the historical novels in India try to create a sense of Pan-Indian belonging? -SST 10th

Last Answer : (i) In Bengal many historical novels were about Marathas and Rajputs, which produced a sense of a Pan-Indian belonging. (ii) They imagined the nation to be a full of adventure, heroism, ... (iii) The imagined nation of the novel was so powerful that it could inspire actual political movements.

What are the photosynthetic pigments belonging to carotenoids? -Biology

Description : What are the photosynthetic pigments belonging to carotenoids? -Biology

Last Answer : answer:

Belonging to all parts of the world -Do You Know?

Description : Belonging to all parts of the world -Do You Know?

Last Answer : Cosmopolitan is the answer

Number of proteins belonging to complement system is

Description : Number of proteins belonging to complement system is

Last Answer : Number of proteins belonging to complement system is A. 30 B. 24 C. 18 D. 6

Critically endangered animal- species belonging to India is

Description : Critically endangered animal- species belonging to India is

Last Answer : Critically endangered animal- species belonging to India is A. 31 B. 18 C. 44 D. 109

Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Description : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. Reason: the plant body of the monera, fungi,a

Last Answer : Assertion: Several organisms belonging to monera,fungi,algae and bryophytes produces gametes by mitosis. ... , fungi,algae and bryophytes is haploid.

Give examples of animals belonging to class Mammalia.

Description : Give examples of animals belonging to class Mammalia.

Last Answer : Give examples of animals belonging to class Mammalia.

State the characteristics of members belonging to phylum Cnidaria.

Description : State the characteristics of members belonging to phylum Cnidaria.

Last Answer : State the characteristics of members belonging to phylum Cnidaria.

What does the principal quantum number ‘n’ and azimuthal quantum number ‘l’ of an electron belonging to an atom represent?

Description : What does the principal quantum number ‘n’ and azimuthal quantum number ‘l’ of an electron belonging to an atom represent?

Last Answer : What does the principal quantum number ‘n’ and azimuthal quantum number ‘l’ of an electron belonging to an atom represent?

What exploration crossed into territory belonging to an European nation?

Description : What exploration crossed into territory belonging to an European nation?

Last Answer : Feel Free to Answer

Belonging To Two Countries?

Description : Belonging To Two Countries?

Last Answer : Dual Citizenship is a very interesting situation that only arises every so often. It is also not possible everywhere. The basics of the situation are that a person can belong to two different countries at ... situation can come about, for example, is if a child is born in Canada to American parents

What rimes with cast belonging to a sailboat?

Description : What rimes with cast belonging to a sailboat?

Last Answer : Last

How sowda's life domain of community belonging could be improve?

Description : How sowda's life domain of community belonging could be improve?

Last Answer : When communities come together to improve collective sense of belonging, safety, social cohesion, trust and participation, they nurture community vitality.

Which of the following States has the largest number of people belonging to Scheduled Caste? [BPSC 2011] (a) Bihar (b) West Bengal (c) Uttar Pradesh (d) Punjab

Description : Which of the following States has the largest number of people belonging to Scheduled Caste? [BPSC 2011] (a) Bihar (b) West Bengal (c) Uttar Pradesh (d) Punjab

Last Answer : Ans: (d)