Q23 of 52 Page 38

Which one of the following depict the correct representation of atomic radius(r) of an atom?


Atomic radius is the distance between centre of the nuclei and the outermost shell.

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21

Which of the following elements will form an acidic oxide?

 22

The element with atomic number 14 is hard and forms acidic oxide and a covalent halide. To which of the following categories does the element belong?

 24

Which one of the following does not increase while moving down the group of the periodic table?

 25

On moving from left to right in a period in the periodic table, the size of the atom.