2.1.5 Ions and the Periodic Table Flashcards
1
Q
Which groups form positive ions?
A
Groups 1-13
2
Q
Which groups form negative ions?
A
Groups 15-17
3
Q
Why do atoms of Be, B, C and Si not normally form ions?
A
It requires too much energy to transfer the outer shell electrons to form ions.
4
Q
What is the formula of an ammonium ion?
A
NH4+
5
Q
What is the formula of a hydroxide ion?
A
OH-
6
Q
What is the formula of a nitrate ion?
A
NO3-
7
Q
What is the formula of a carbonate ion?
A
CO32-
8
Q
What is the formulae of a sulfate ion?
A
So42-
9
Q
What ions do zinc atoms form?
A
Zn2+ ions
10
Q
What ions do silver atoms form?
A
Ag+
