in addition to properties of elements, list at least two other things or events that are periodic?

in addition to properties of elements, list at least two other things or events that are periodic?
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in addition to properties of elements, list at least two other things or events that are periodic?

Description : in addition to properties of elements, list at least two other things or events that are periodic?

Last Answer : hujhhgbhybjbujh

(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.

What two elements in the periodic table have properties in common with Calcium?

Description : What two elements in the periodic table have properties in common with Calcium?

Last Answer : Be, Mg, Ca, Sr, Ba, Ra. All the elements in that column haveproperties similar to each other.

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.

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

The periodic law states that the properties of elements will repeat when the elements are arranged by _______.?

Description : The periodic law states that the properties of elements will repeat when the elements are arranged by _______.?

Last Answer : increasing atomic number

Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of : (1) Modern periodic table (2) Newland's law of octaves (3) Dobereiner's triads (4) Mendeleev's periodic table

Description : Iron which resembles Cobalt and Nickel in properties has been placed far away from these elements. This was one of the limitations of : (1) Modern periodic table (2) Newland's law of octaves (3) Dobereiner's triads (4) Mendeleev's periodic table

Last Answer : (2) Newland's law of octaves Explanation: Among the major limitations of Newlands Law of Octaves, some similar elements have been separated from one another while some dissimilar elements have been placed in the same column.

This scientist gave the law- ‘Properties of elements are a periodic function of their atomic number.’ This property of the fundamental importance of atomic number was discovered by- (1) Johann Wolfgang Döbereiner (2) John Newlands (3) Dmitri lvanovich Mendeléev (4) Henry Moseley

Description : This scientist gave the law- ‘Properties of elements are a periodic function of their atomic number.’ This property of the fundamental importance of atomic number was discovered by- (1) Johann Wolfgang Döbereiner (2) John Newlands (3) Dmitri lvanovich Mendeléev (4) Henry Moseley

Last Answer : (4) Henry Moseley Explanation: In 1913, Henry Moseley showed that the atomic number of an element is a more fundamental property than its atomic mass as described below.

The Russian chemist who said that the properties of elements are periodic function of their atomic mass is

Description : The Russian chemist who said that the properties of elements are periodic function of their atomic mass is

Last Answer : Dmitri Mendeleev.

List the elements of 15 th group of the periodic table. Name the distinct metals and non-metals of the group.

Description : List the elements of 15 th group of the periodic table. Name the distinct metals and non-metals of the group.

Last Answer : Nitrogen and phosphorous are non-metals. Arsenic and Antimony are metalloids, Bismuth is a metal.

Give some other examples of periodic events.

Description : Give some other examples of periodic events.

Last Answer : Give some other examples of periodic events.

Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which other element would also have those same properties?

Description : Helium (He), neon (Ne) and argon (Ar) are all colorless, odorless gases with low chemical reactivity. Based on the periodic table, which other element would also have those same properties?

Last Answer : Helium

The element I am thinking about has several interesting characteristics. It occupies the same column in the periodic table as lead. Resistors which are commonly found in electronic circuits are often made out of this element. In addition, in one of its forms, this element is one of the hardest substances on earth. What element am I thinking about?

Description : The element I am thinking about has several interesting characteristics. It occupies the same column in the periodic table as lead. Resistors which are commonly found in electronic circuits are often made out ... element is one of the hardest substances on earth. What element am I thinking about? 

Last Answer : ANSWER: CARBON

What periodic birthstone have any mystical or mystical properties?

Description : What periodic birthstone have any mystical or mystical properties?

Last Answer : Need answer

In the periodic table does a set of properties repeat from group to group?

Description : In the periodic table does a set of properties repeat from group to group?

Last Answer : No. The properties of elements repeat from row to row (period toperiod).The groups on the table are the columns.

In the periodic table does a set of properties repeat from group to group?

Description : In the periodic table does a set of properties repeat from group to group?

Last Answer : No. The properties of elements repeat from row to row (period toperiod).The groups on the table are the columns.

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......

Taking first period and 17 th group of the periodic table, write gradation of properties with respect to the following: a) atomic size b) Ionisation energy c) electro positivity and electro negativity.

Description : Taking first period and 17 th group of the periodic table, write gradation of properties with respect to the following: a) atomic size b) Ionisation energy c) electro positivity and electro negativity.

Last Answer : The elements of 1 st period are hydrogen and helium. a) Atomic size of hydrogen is larger then that of helium because atomic size decreases across a period. b) Ionisation energy of helium ... higher as it increases down the group. Electro negativity of fluorine as it decreases down the group.

PERIODIC PROPERTIES

Description : PERIODIC PROPERTIES

Last Answer :  The properties which shows gradual variation in a group and in a period. They are repeat themselves after a certain interval of time. VALENCY:-  It is determined by number of valence ... Atomic radius increases from top to bottom.  Increase and decrease is happen because of adding electrons.

Addition of tungsten to steel imparts (A) Magnetic properties (B) Cutting hardness (C) Corrosion resistance (D) Ductility

Description : Addition of tungsten to steel imparts (A) Magnetic properties (B) Cutting hardness (C) Corrosion resistance (D) Ductility

Last Answer : (B) Cutting hardness

Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of (A) Tungsten (B) Vanadium (C) Silicon (D) All (A), (B) & (C)

Description : Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of (A) Tungsten (B) Vanadium (C) Silicon (D) All (A), (B) & (C)

Last Answer : (C) Silicon

Explain the effect of nickel, chromium, silicon, molybdenum addition on the properties of steel.

Description : Explain the effect of nickel, chromium, silicon, molybdenum addition on the properties of steel.

Last Answer : 1) Effect of Nickel as alloying Element: i) Provides toughness, corrosion resistance, and deep hardening. ii) Increases resistance to impact iii ) Improves tensile strength 2. Effect ... temper brittleness. iv) increases strength. V0 Mo-carbides help increase creepresistance at elevated temps

Which of the following algorithm pays the least attention to the ordering of the elements in the input list? a) Insertion sort b) Selection sort c) Quick sort d) None

Description : Which of the following algorithm pays the least attention to the ordering of the elements in the input list? a) Insertion sort b) Selection sort c) Quick sort d) None

Last Answer : b) Selection sort

(a) Why do we classify elements? (b) What were the two criteria used by Mendeleev in creating his Periodic Table? ... Justify your answer. -Chemistry 9th

Description : (a) Why do we classify elements? (b) What were the two criteria used by Mendeleev in creating his Periodic Table? ... Justify your answer. -Chemistry 9th

Last Answer : (a) It is done so as to study the properties of elements conveniently. (b) Increasing order of atomic mass and similarities in chemical properties (especially nature and formulae of oxide and hydride formed). ... at that time. (e) They will be kept at same slot as they have same chemical properties.

Which are the only two elements on the periodic table that are liquid at room temperature? A. Mercury and Bromine (Answer) B. Carbon and helium C. Nitrogen and Hydrogen D. Oxygen and Neon

Description : Which are the only two elements on the periodic table that are liquid at room temperature? A. Mercury and Bromine (Answer) B. Carbon and helium C. Nitrogen and Hydrogen D. Oxygen and Neon

Last Answer : A. Mercury and Bromine (Answer)

What is the periodic table of elements?

Description : What is the periodic table of elements?

Last Answer : Answer: The periodic table of elements is a chart that arranges all known chemical elements in order of increasing atomic number, based on their electron configurations and chemical properties. ... as it allows scientists to predict the properties and behavior of different elements and compounds.

Do we have (or will have soon) a periodic table of sub-atomic elements?

Description : Do we have (or will have soon) a periodic table of sub-atomic elements?

Last Answer : http://www.bing.com/images/search?q=subatomic+elements+chart&qpvt=sub+atomic+elements+chart&qpvt=sub+atomic+elements+chart&FORM=IGRE ?

Do chemists have to memorize all the elements of the periodic table?

Description : Do chemists have to memorize all the elements of the periodic table?

Last Answer : answer:I don't see why they would have to , since most chemists don't work with all elements. On the other hand, just like readers memorized the alphabet and how to spell and ... have similar properties to each other, as well as isotopes of each. Familiarity sometimes breeds more familiarity.

Is the Iron in ours bodies the same Iron on the periodic table of the elements?

Description : Is the Iron in ours bodies the same Iron on the periodic table of the elements?

Last Answer : Yep, good ol’ Fe. Here’s the molecular structure of hemoglobin

What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements? -Riddles

Description : What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements? -Riddles

Last Answer : The Letter J.

The elements of the third period of the Periodic Table are given below: periodic-classification-of-elements-chapter-wise-important-questions-class-10-science-1 (a) Which atom is bigger, Na or Mg? Why? (6) Identify the most (i) metallic and (ii) non-metallic element in Period 3. -Science

Description : The elements of the third period of the Periodic Table are given below: periodic-classification-of-elements-chapter-wise-important-questions-class-10-science-1 (a) Which atom is bigger, Na or Mg? Why? (6) Identify the most (i) metallic and (ii) non-metallic element in Period 3. -Science

Last Answer : (a) Sodium is bigger than magnesium as it has lesser nuclear charge so there is less force of attraction between nucleus and valence electrons and less effective nuclear charge. It is, therefore, ... the most non-metallic element because it can gain electrons easily due to its smallest atomic size.

1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Description : 1The elements of the second period of the Periodic Table are given below: Li Be B C N O F (a) Give reason to explain why atomic radii decrease from Li to F. (b) Identify the most (i) metallic and (ii)non-metallic element. -Science

Last Answer : a) It is because nuclear charge increases due to increase in atomic number, therefore, force of attraction between nucleus and valence electrons increases, i.e. effective nuclear charge increases, hence ... element is ‘F’ because it can gain electrons easily due to smallest atomic size.

What is the six element of the periodic table of elements?

Description : What is the six element of the periodic table of elements?

Last Answer : Family six on the Periodic Table of elements is also know asChalcogens

In the second and third stages of the periodic table, after how many elements does religion repeat ?

Description : In the second and third stages of the periodic table, after how many elements does religion repeat ?

Last Answer : In the case of the second and third stages of the periodic table, religion repeats itself after the eight elements.

What is the number of elements in the zero group of the periodic table ?

Description : What is the number of elements in the zero group of the periodic table ?

Last Answer : The number of elements in the zero group of the periodic table is 6 .

How many elements are there in the sixth stage of the periodic table ?

Description : How many elements are there in the sixth stage of the periodic table ?

Last Answer : There are 32 elements in the sixth stage of the periodic table .

What is the number of elements in a periodic table made by Lavoisier ?

Description : What is the number of elements in a periodic table made by Lavoisier ?

Last Answer : Elements 33 in the periodic table created by Lavoisier .

In what century were most of the elements of periodic table discovered ?

Description : In what century were most of the elements of periodic table discovered ?

Last Answer : Most of the elements of the periodic table were discovered in the eighteenth century.

How many elements did Mendeleev introduce the modern periodic table ?

Description : How many elements did Mendeleev introduce the modern periodic table ?

Last Answer : Mendeleev introduced the modern periodic table with 67 elements.

On what basis are the elements in the periodic table divided ?

Description : On what basis are the elements in the periodic table divided ?

Last Answer : The elements are divided on the basis of religion.

What is a Periodic Table of Elements ?

Description : What is a Periodic Table of Elements ?

Last Answer : By classifying the elements of the same type of religion in the same category , replacing all the discovered elements , the current table of elements is called the periodic table of elements.

The following statements concern elements in the periodic table. Which of the following is true ?

Description : The following statements concern elements in the periodic table. Which of the following is true ?

Last Answer : The following statements concern elements in the periodic table. Which of the following is true ? ... of +5 oxidation state increases down the group.

In which group of elements of the modern periodic table are halogen placed ?

Description : In which group of elements of the modern periodic table are halogen placed ?

Last Answer : In which group of elements of the modern periodic table are halogen placed? a. 17 b. 6 c. 4 d. 2

How are elements organized on the periodic table Select all that apply.?

Description : How are elements organized on the periodic table Select all that apply.?

Last Answer : Need answer

What did Moseley use to reorder the elements of Mendeleev periodic table?

Description : What did Moseley use to reorder the elements of Mendeleev periodic table?

Last Answer : Henry Moseley discovered a relation between X-ray spectra and the atomic number of chemical elements.

What are the green elements on the periodic table called?

Description : What are the green elements on the periodic table called?

Last Answer : The elements in the center section are called transitionelements.

How did Mendeleev arrange the known elements in this periodic table?

Description : How did Mendeleev arrange the known elements in this periodic table?

Last Answer : Feel Free to Answer

Are the elements on the periodic table organized by their atomic number?

Description : Are the elements on the periodic table organized by their atomic number?

Last Answer : Yes. The elements are arranged in increasing order of atomic number.

What is the importance of capital and lowercase on the periodic table of the elements?

Description : What is the importance of capital and lowercase on the periodic table of the elements?

Last Answer : Feel Free to Answer

Is this statement true or false The periodic table of the elements is now complete because there are no more elements to add.?

Description : Is this statement true or false The periodic table of the elements is now complete because there are no more elements to add.?

Last Answer : Need answer