electron to Troll all allon.
Match the option A and B with the statements (i) and
(ii) :
A. metal
(i) The metal that forms two
types of ion
B. iron
(ii) An element with electronic
configuration 2, 8, 8, 3
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Answered by
1
Answer:
A matches with (ii)
B matches with (i)
Explanation:
An element whose configuration is 2,8,8,3 has atomic number 21. It is Scandium and is a metal.
Iron can form two types of oxide with oxidation number +2 (FeO) and +3 (Fe2O3)
Answered by
0
Answer:
A matches with 2nd
B matches with 1st
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