The mass of the object can also be determined if the density and volume of an object are known.
As per the rule, oxidation number of alkaline earth metals in their compounds is +2. Oxidation number of oxygen in it's compounds is -2(except peroxides) and the sum of oxidation numbers of all the elements of a neutral compound is zero.
A covalent bond that forms a compound.
Answer:
Its C
Explanation:
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