Question

Which list consists of elements that have the most similar chemical properties?

a) Cu, Zn, Fe
b) K, Ca, Br
c) Mg, Al, Si
d) Cs, Na, K

Answer 1

d) Cs, Na, K

Step-by-step explanation:

The vertical columns on the periodic table are called groups or families because of their similar chemical behavior. Cs, Na, and K are all in the same vertical column (which is called Group IA or the alkali metals).

Answer 2

D. Cs, Na, K

Step-by-step explanation:

Elements in the same column of the Periodic Table have similar chemical properties.