Nurturing Life Sciences
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In a covalent bond, electrons are shared between atoms. In an ionic bond, electrons are transferred between atoms.
#Section 2: General Biology
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Atoms are indivisible particles that can't be created or destroyed in a chemical reaction.
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Atoms are made of the same three basic particles: protons, neutrons, and electrons.
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The number of electrons in a neutral atom is equal to the number of protons.
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The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus.
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