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JAMB - Chemistry (1988 - No. 28)
The formula of a compound formed in a reaction between a trivalent metal M and a tetravalent non-metal X is~?
MX
M
3
X
4
M
4
X
3
M
3
X
2
Forklaring
M
2+
+ X
-4
= M
4
X
3
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