Q6 of 29 Page 72

In periodic table, atomic size on moving top to bottom in a group will:

As we go down a group, the atomic number of the element increases. Also, the number of shells increases and the effective nuclear charge decreases. This results in the increase of atomic radius down the group.

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Modern periodic table is based on which property of the elements:

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The number of period and groups in modern periodic table are:

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Vander Waals radius is ______ in comparison to covalent radius:

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The number of elements in a small group is: