Question

How do trend 1)atomic size 2)metallic character changes in mo ing left to right in a period in modern periodic table

Answer 1

ATOMIC SIZE DECREASES IN PERIOD AS EFFECTIVE NUCLEAR CHARGE INCREASE IN PERIOD.

METALLIC CHARACTER DECREASES IN PERIOD WHEN WE GO FROM LEFT TO RIGHT BECAUSE THE TENDENCY TO GAIN ELECTRONS INCREASES.

Answer 2

1) atomic size decreases

2) metallic character also decreases from left to right in a periodic table