ionic bonding Flashcards
1
Q
what is ionic bonding
A
electrostatic attraction between positive and negative ions - transfer of electrons
2
Q
describe in terms of electron transfer how sodium and chlorine react to form sodium chloride
A
sodium becomes positive ion and chlorine becomes a negative ion
the positive and negative ions attract each other and form the ionic compound sodium chloride.
3
Q
what is a positive ion called
A
cation (metal atoms - lose electrons)
4
Q
what is a negative ion called
A
anion (non-metals - gain electrons)
5
Q
draw a dot and cross diagram of magnesium and explain what happens in the process
A
(in book)
6
Q
draw and explain the cross and dot diagram of sodium chloride
A
(in book)