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

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

Description : How did Mendeleev arrange the known element in his periodic table?

Last Answer : He arranged the elements in the increasing order of their atomicmasses and repeating periodic properties.

How did Mendeleev arrange the known element in his periodic table?

Description : How did Mendeleev arrange the known element in his periodic table?

Last Answer : He arranged the elements in the increasing order of their atomicmasses and repeating periodic properties.

(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.

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.

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.

The names of the scientists, Newlands, Mendeleev and Meyer are associated with the development of (a) Atomic structure (b) Metallurgy (c) Periodic table of elements (d) Discovery of elements

Description : The names of the scientists, Newlands, Mendeleev and Meyer are associated with the development of (a) Atomic structure (b) Metallurgy (c) Periodic table of elements (d) Discovery of elements

Last Answer : Ans:(c)

Why are isotopes not considered in Mendeleev’s periodic table?Name the elements which are predicted by Mendeleev as eka –silicon and eka –aluminum

Description : Why are isotopes not considered in Mendeleev’s periodic table?Name the elements which are predicted by Mendeleev as eka –silicon and eka –aluminum

Last Answer : Ans.Because Mendeleev gave priority to similarities in properties. Germanium and gallium

Mendeleev arranged the elements in his periodic table on the basis of

Description : Mendeleev arranged the elements in his periodic table on the basis of

Last Answer : atomic mass.

How Mendeleev organized his periodic table?

Description : How Mendeleev organized his periodic table?

Last Answer : By the increasing Atomic Mass.

How was Mendeleev and periodic table different from those of other chemists of the time?

Description : How was Mendeleev and periodic table different from those of other chemists of the time?

Last Answer : Feel Free to Answer

Who invented the modern Periodic table? (1) Faraday (2) Mendeleev (3) Newton (4) Bohr

Description : Who invented the modern Periodic table? (1) Faraday (2) Mendeleev (3) Newton (4) Bohr

Last Answer : (2) Mendeleev Explanation: Dmitri Mendeleev was a Russian chemist who developed the periodic classification of the elements in 1869 A.D.

What are the important features of Mendeleev periodic table?

Description : What are the important features of Mendeleev periodic table?

Last Answer : Ans: based on(i) increasing atomic mass (ii) similarities in properties of elements.(iii) 63 elements divided in 7 horizontal row called periods and 8 vertical groups

Who created periodic table? A. Faraday B. Lavoisier C. Arrhenius D. Mendeleev (Answer)

Description : Who created periodic table? A. Faraday B. Lavoisier C. Arrhenius D. Mendeleev (Answer)

Last Answer : D. Mendeleev (Answer)

In his periodic table, Mendeleev could not assign a correct position to

Description : In his periodic table, Mendeleev could not assign a correct position to

Last Answer : Hydrogen

Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius

Description : Name the person who developed a table of elements which revealed regularities in elemental properties in 1869? w) Theodore Richards x) Antoine Lavoisier y) Dmitri Mendeleev z) Svante Arrhenius

Last Answer : ANSWER: Y -- DMITRI MENDELEEV

Modern periodic law had been given by (1) Moseley (2) Mendeleev (3) Lother-Mayer (4) Lavoisier

Description : Modern periodic law had been given by (1) Moseley (2) Mendeleev (3) Lother-Mayer (4) Lavoisier

Last Answer : (1) Moseley Explanation: In 1913, H.G.J Moseley in England proved that the more fundamental properties of an element are its atomic number. Therefore he suggested that the basis of classification of elements should be atomic number.

State Mendeleev Periodic Law.

Description : State Mendeleev Periodic Law.

Last Answer : Ans: The chemical and physical properties of the elements are periodic functions of their atomic masses.

The block of elements in the periodic table which are filling the 4-f electron shell are known as:

Description : The block of elements in the periodic table which are filling the 4-f electron shell are known as:

Last Answer : ANSWER: LANTHANIDES

What did Dmitri mendeleev have to do to unlock the hidden pattern of the elements?

Description : What did Dmitri mendeleev have to do to unlock the hidden pattern of the elements?

Last Answer : What is the answer ?

What did mendeleev do with the elements that did not fit?

Description : What did mendeleev do with the elements that did not fit?

Last Answer : What is the answer ?

What was the basis for Mendeleev classi- fication of elements?

Description : What was the basis for Mendeleev classi- fication of elements?

Last Answer : Atomic weight

Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium? w) John Dalton x) Dmitri Mendeleev y) Emil Fischer z) Marie Curie

Description : Which of the following scientists was awarded the Nobel Prize in 1911 for the discovery of the radioactive elements, radium and polonium? w) John Dalton x) Dmitri Mendeleev y) Emil Fischer z) Marie Curie

Last Answer : ANSWER: Z -- MARIE CURIE

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.

(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.

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 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.

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 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.

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.

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

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

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 are about three fourths of the elements on the periodic table?

Description : What are about three fourths of the elements on the periodic table?

Last Answer : They are metals.