3. Atomic radius decreases in a period because

1.	3. Atomic radius decreases in a period because
Answer» Atomic radius decreases across a period because valence electrons are being added to the same energy level at the same time the nucleus is increasing in protons. The increase in nuclear charge attracts the electrons more strongly, pulling them closer to the nucleus. increase in nuclear attraction. atomic radius decreases with increase in z-effective nuclear charge more the attraction from nucleus,less the size.in a period effective nuclear charge increases on going from left to right. atomic radius decreases across a period because valence electrons being added atomic radius decreases across a period because valence electrons being added to the same energy level at the Same time the nucleus is increasing in protons.the increase in nuclear charge attracts the electrons more strongly,pulling them closer to the nucleus.

Answer»

Atomic radius decreases across a period because valence electrons are being added to the same energy level at the same time the nucleus is increasing in protons. The increase in nuclear charge attracts the electrons more strongly, pulling them closer to the nucleus.

increase in nuclear attraction. atomic radius decreases with increase in z-effective nuclear charge more the attraction from nucleus,less the size.in a period effective nuclear charge increases on going from left to right.

atomic radius decreases across a period because valence electrons being added

atomic radius decreases across a period because valence electrons being added to the same energy level at the Same time the nucleus is increasing in protons.the increase in nuclear charge attracts the electrons more strongly,pulling them closer to the nucleus.

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