Question

why the positive charge increasing and atomic radius decreases PLEASE I WANT VERIFIED ANSWER GIVE ME VERIFIED ANSWER AND EXPLAIN IN HINDI

Answer 1

Answer:

Within a period, protons are added to the nucleus as electrons are being added to the same principal energy level. These electrons are gradually pulled closer to the nucleus because of its increased positive charge. Since the force of attraction between nuclei and electrons increases, the size of the atoms decreases.

Explanation:

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Answer 2

Answer:

Across a period, effective nuclear charge increases as electron shielding remains constant. A higher effective nuclear charge causes greater attractions to the electrons, pulling the electron cloud closer to the nucleus which results in a smaller atomic radius. ... This results in a larger atomic radius.