The metallic character of the element of...

The metallic character of the element of IV A group

Has no significance

Increases from top to bottom

Does not change

Decrease from top to bottom

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KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos
MODEL TEST PAPER - 7
KCET PREVIOUS YEAR PAPERS|Exercise CHEMISTRY|60 Videos

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How does the metallic character of the elements vary (i) in a group, (ii) in a period of the modern periodic table ?

What happens to the metallic character of the elements as we move in a period from left to right in the periodic table? Give reason.

(i) State the basis of classification of elements in the modern periodic table ? (ii) How does the metallic character of element vary as we go down the group.

Why are metals electropositive and non-metals electronegative in nature? Illustrate by giving an example of each. Why does metallic character of elements increase down a group?

Explain the acidic character of oxide of elements down a group and across a period.

Write the number of periods the modern periodic table has. State the changes in valency and metallic character of elements as we move from left to right in a period. Also state the changes, if any, in the valency and atomic size of elements as we move down a group.

How many groups and periods are there in the modern periodic table? How do the atomic size and metallic character of elements vary as we move ? (i) down a group and (ii) from left to right in a period.

How does metallic character of elements vary on moving from : (i) Left to right in a period ? (ii) From top to bottom in a group ? Give reasons for your answers.

The atomic numbers of five elements A, B, C, D and E are 6, 8, 3, 7 and 9 respectively. (i) Which is the element having the highest electropositivity among these elements ? Why? (ii) Which is the element having the least metallic character among these elements ? Why? (iii) What is your conclusion about the relationship between metallic character and electropositivity of an element ?

Write the number of period the modern periodic table has. How do the valency and metallic character of elements vary on moving from left to right in a period ? How do the valency and atomic size of elements vary down a group ?

KCET PREVIOUS YEAR PAPERS-MODEL TEST PAPER - 1-CHEMISTRY

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