Answer:
Covalent solids, also called network solids, are solids that are held together by covalent bonds. As such, they need localized electrons (shared between the atoms) and therefore the atoms are arranged in fixed geometries. Distortion far from this geometry can only occur through a breaking of covalent sigma bonds.
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Answer: The answer to the first one is the second option and the answer for the second one is the first option.
Explanation:
Mass of molecule (g) = Mr of substance over avarogado constant
Answer:
magnesium + oxygen ----> magnesium oxide
