Question

1.Nuclear charge decreases as the atomic number increases.Immersive Reader

Answer 1

1.Nuclear charge decreases as the atomic number increases.Immersive Reader

Answer - True

2.In alkali metals, the atomic radius of potassium is greater than

Answer - Lithium

3.While moving across the periodic table from left to right there is an increase in atomic radius.

Answer - False

4.When moving from gold to lead, the atomic radius increases.

Answer - True

5.The picometer is the unit used to measure atomic radii.

Answer - True

6.Which of the following is larger in atomic size?

Answer - Boron

7.Chlorine has a larger atomic radius than fluorine.

Answer - True

8.Atomic size increases across a period.

Answer - False

9.The atomic radius of a nitrogen atom is 70 pm. What is the distance between the nuclei of two bonded nitrogen atoms in a N2 molecule

Answer - 140 pm

10.Arrange the following atoms in order of decreasing atomic radius:

Ga, As, Sn, Sb, Te

Answer - a. Sn, Sb, Te, Ga, As

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