Question

1. elements in a group of the periodic table are described below. some properties of a certain group of elements - soft silvery - white color - good conductor of thermal energy - good conductor of electricity - atoms contain a single valence electron these elements most likely belong to which group? clear all noble gases halogens alkaline earth metals alkali metals

Explanation:

Alkali metals are soft, silvery - white, good conductors of heat and electricity, and their atoms have a single valence electron. Noble gases have full valence shells. Halogens have 7 valence electrons. Alkaline earth metals have 2 valence electrons.

Answer:

D. Alkali metals