Answer:
A I did the exam and I saw A sorry if it is wrong dont have the best of memory
Since Group 2 alkali earth metals have 2 valence electrons, they tend to lose those 2 when forming ionic bonds. And the Loss of Electrons = Oxidation (L.E.O. for short). Therefore this group, including Mg and Ca, have an oxidation of [+2].
So the correct answer is C) +2
It becomes a acceptor because in an ionic bonding the element who gives out is a donor while the atom which accept is a acceptor
Answer:
2.567 litres
Explanation:
I dont have a proper explanation sorry
Answer:
C
Explanation:
it belong to that group as it needs 1 electron to be chemically stable
