Answer: An ionic bond is a type of chemical bond formed through an electrostatic attraction between two oppositely charged ions. Ionic bonds are formed between a cation, which is usually a metal, and an anion, which is usually a nonmetal. A covalent bond involves a pair of electrons being shared between atoms.
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6.023 × 10²³ atoms of Ca are in 1 mol of Ca

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It is rich in organisms because sunlight passes through its shallow water enabling photosynthesis to occur.
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