ions Flashcards
1
Q
what are ions?
A
charged particles
2
Q
why do atoms form ions?
A
to gain a full outer shell of electrons
3
Q
what happens when a metal and a non-metal react together?
A
the metal atom loses electrons to form a positively charged ion and the non-metal gains these electrons to form a negatively charged ion
4
Q
which groups most readily form ions?
A
1,2,6,7
5
Q
what ion does sodium form?
A
1+
6
Q
what ion does magnesium form?
A
2+
7
Q
what ion does chlorine form?
A
1-
8
Q
what ion does oxygen form?
A
2-
