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2 votes
Strontium, Sr, will

valence electrons when forming an ionic bond.
O lose 1
Olose 3
Olose 2
O gain 1

User Langley
by
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1 Answer

5 votes

Answer:

lose 2

Step-by-step explanation:

Sr is an alkali metal which forms 2+ ion.

User FlorianGD
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