Why must there be the same number of protons and electrons in an atom?
To ensure electrical neutrality.
You know for a fact that the majority of matter is neutral, so there must be an equal number of positively and negatively charged particles. This equivalency is explained by our understanding of the atom.
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To preserve electrical neutrality and stability, an atom's proton and electron counts must be equal.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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