a) Number of protons = number of electron in the atom = atomic number
So it has 7 protons answer
N-3 has gained 3 electron so number of electrons + 7+3
= 10 answer
Answer:
D
Explanation: A precipitation reaction is a type of chemical reaction in which two soluble salts in aqueous solution combine and one of the products is an insoluble salt called a precipitate.
Granite is a rock, so it would be a solid
Substitution reaction<span> (also known as single displacement </span>reaction<span> or single </span>substitution reaction) <span>is a </span>chemical change throughout that one useful cluster in an exceedingly substance<span> is replaced by another </span>useful cluster<span>.
</span>The best example<span> of a </span>substitution reaction<span> is halogenation.
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Organic compounds react at a slower rate and manufacture far more complicated<span> set of </span>product<span> than inorganic compounds.</span>
