Which of the following series of elements have nearly the same atomic radii?

Question

Which of the following series of elements have nearly the same atomic radii? (A)  text ! !~ ! ! text F, Cl, Br, I  (B)  text ! !~ ! ! text Na, K, Rb, Cs  (C)  textLi, textBe, textB, textC  (D)  text ! !~ ! ! text Fe, Co, Ni, Cu

Tardigrade Admin · Accepted Answer

These are transition metals with the (n-1)d1-10ns1-2 configuration. The atomic and ionic radii of transition elements in a given series show a decreasing trend for first five elements and then becomes almost constant for next five elements.

Q. Which of the following series of elements have nearly the same atomic radii?

$F, Cl, Br, I$

$Na, K, Rb, Cs$

$Li, Be, B, C$

$Fe, Co, Ni, Cu$

These are transition metals with the $(n - 1) d^{1 - 10} n s^{1 - 2}$ configuration. The atomic and ionic radii of transition elements in a given series show a decreasing trend for first five elements and then becomes almost constant for next five elements.

Q. Which of the following series of elements have nearly the same atomic radii?

F, Cl, Br, I

Na, K, Rb, Cs

Li,Be,B,C

Fe, Co, Ni, Cu

These are transition metals with the (n−1)d1−10ns1−2 configuration. The atomic and ionic radii of transition elements in a given series show a decreasing trend for first five elements and then becomes almost constant for next five elements.

$F, Cl, Br, I$

$Na, K, Rb, Cs$

$Li, Be, B, C$

$Fe, Co, Ni, Cu$

These are transition metals with the $(n - 1) d^{1 - 10} n s^{1 - 2}$ configuration. The atomic and ionic radii of transition elements in a given series show a decreasing trend for first five elements and then becomes almost constant for next five elements.