Question

Elements in a period have _____________.

Answer 1

Answer:

Elements in a period have wide range of chemical properties.

Explanation:

• Period is the row of chemical elements's arrangement in the periodic table. It is numbered from 1 to 7.
• In period as we move towards right the atomic number of element constantly increases along with the change in chemical properties.
• As we move from left towards right in period, the valence electron number regularly increases in every element.
• This valence electron differs the reactivity of the elements.