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1.15 g of a metallic element reacts with 300cm3 of oxygen at 298K and 1 atm pressure, to form an oxide which contains O2– ions. What could be the identity of the metal? A calcium B magnesium C potassium
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1.15 g of a metallic element reacts with 300cm3 of oxygen at 298K and 1 atm pressure, to form an oxide which contains O2– ions.

What could be the identity of the metal?

A calcium
B magnesium
C potassium
D sodium

User Letta
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1 Answer

5 votes
The metal is D. Sodium.
User Taras Kozubski
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