Question

What are the characteristics of a period?

Answer 1

The horizontal rows in the periodic table are called periods. There are seven horizontal rows present in the periodic table i.e. seven periods.

1. In a period all the valence electrons of the elements occupy the same shell.

2. As the electronic configuration changes along the period, the chemical properties of the elements also change.

3. The atomic size of the elements in a period decreases from left to right.

4. In a period, the metallic character of the element decreases while their nonmetallic character increases.