Question

Barium is an element in group 2, period 6 of the periodic table. What does this indicate about its properties?

answers:

It has 2 valance electrons and is a non reactive gas

It has 6 valance electrons and is soft and crumbly

It has 6 valance electrons and is a semimetal

It has 2 valance electrons and is highly reactive

Answer 1

The correct answer is: **It has 2 valence electrons and is highly reactive.**

Barium (Ba) is an alkaline earth metal located in group 2 of the periodic table, which indicates that it has 2 valence electrons. As a member of this group, barium is also known to be highly reactive, particularly with water and acids.