Which of the following statements regarding the variation of atomic radii in the periodic table is not true?

Question

Which of the following statements regarding the variation of atomic radii in the periodic table is not true? (A) In a group, there is continuous increase in size with increase in atomic number. (B) In 4f-series, there is a continuous decrease in size with increase in atomic number. (C) The size of inert gases is larger than halogens. (D) In 3rd period, the size of atoms increases with increase in atomic number.

Tardigrade Admin · Accepted Answer

Size of atoms decreases with increase in atomic number in a period.

Q. Which of the following statements regarding the variation of atomic radii in the periodic table is not true?

In a group, there is continuous increase in size with increase in atomic number.

In 4f-series, there is a continuous decrease in size with increase in atomic number.

The size of inert gases is larger than halogens.

In $3^{r d}$ period, the size of atoms increases with increase in atomic number.

Size of atoms decreases with increase in atomic number in a period.