An atomic mass unit is defined as precisely 1/12 the mass of an atom of carbon-12.
Answer: the atomic number 7 is
Nitrogen
Explanation:
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<span>When water decomposes into oxygen and hydrogen, the mass "Remains Constant" as according to Law of Conservation of mass, mass can neither be created not destroyed,.
In short, Your Answer would be Option A
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The central atom is carbon with three hydrogen and one chlorine atom around it. There are no unshared electrons on the carbon so it is tetrahedral.
