Answer:
The charge of an atom is determined by the ratio of protons to electrons
Explanation:
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I think it might be Core Electrons and Valence Electrons respectively. As core electrons are the name of the electrons for the inner levels. While valence is the outer shell electrons.
The answer should be compound
<span>The </span>net charge<span> of every ionic compound is always zero.</span>
A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
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