Nurturing Life Sciences
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#Section 1: Engineering Mathematics
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#Section 2: General Biology
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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