An Ionic Bond is a chemical bond that forms between non-metal, and metal ions through <span>electrostatic attraction.
A </span><span>Covalent bond is the sharing pair of of atoms and electrons.
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Metallic bond is a chemical bond between charecteristics of metals, where </span>mobile valence electrons are shared between atoms in a stable <span>crystalline.</span><span>
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1 is c 2 is b 3 is 1 d 4 is a
Since atomic mass is protons + neutrons, if you subtract atomic mass - protons, you get neutrons.
Glacial erosion is the process by which a glacial flows over the land, picking up rocks.