Answer:
Step-by-step explanation:
a) 1/2 true: The Alkali metal group has one valence electron but Earth metals have two valence electrons.
b;) true Metals are good conductors because they have many free electrons.
c:)a negative ion has more electrons than protons
d;) metals lose electrons and non-metals gain electrons. metals transfer electrons to nonmetals.
I think B is your best answer.