Question

Which of the following statements is true about the periodic table?

Atomic radius increases moving down a column
Atomic radius decreases moving down a column
Chemical reactivity of metals increases moving from left to right
Chemical reactivity of nonmetals decreases moving from left to right

Answer 1

Explanation:-

In a periodic table, when we move from top to bottom in a periodic table then there will be increase in number of shells because of addition of more number of electrons. ... Hence, we can conclude that the statement atomic radius increases moving down a column, is true about the periodic table.