<span> aluminum is an element. All elements are pure substances, so that means they are homogenous.
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Answer:
Inside the nucleus, the attractive strong nuclear force between protons outweighs the repulsive electromagnetic force and keeps the nucleus stable. Outside the nucleus, the electromagnetic force is stronger and protons repel each other.
Explanation:
Answer:
Chlorine atoms are smaller
Explanation:
Magnesium have more electrons than chlorine.
