Why are metals in Group 1A so reactive?
(Points : 1)
A These metals have one electron in their outer shell.

B These metals have two electrons in their outer shell.

C These metals need one electron to complete their outer shell.

D These metals need two electrons to complete their outer shell.

Question

Why are metals in Group 1A so reactive?
(Points : 1)
A       These metals have one electron in their outer shell.

B       These metals have two electrons in their outer shell.

C       These metals need one electron to complete their outer shell.

D       These metals need two electrons to complete their outer shell.

anonymous · Answer

A

anonymous · Answer

I agree. They need to either get 7 more electrons or get rid of their one in order to have their outermost shell be full, and losing one electron is easier than gaining seven. Because of that, they react with many different elements easily in order to quickly lose their one electron.