Question

Why do elements in the same group have similar properties?




a.


same number of valence electrons


c.


same number of neutrons




b.


same number of protons


d.


none of the above

Answer 1

it is b

Answer 2

periodic table have similar chemical properties. This is because their atoms have the same number of electrons in the highest occupied energy level. Group 1 elements are reactive metals called the alkali metals.

Answer 3

okay thanks

Answer 4

yourwelcom

Answer 5

your welcome