'Mass number atomic mass' diaporamas de présentation

The Chemistry of Life

The Chemistry of Life. The Nature of Matter. Life depends on chemistry When you eat food or inhale oxygen, your body uses these materials in chemical reactions that keep you alive Just as buildings are made from bricks, steel, glass, and wood, living things are made from chemical compounds

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PNE . . .

PNE. Protons Neutrons Electrons. A positively charged subatomic particle ( found in the nucleus ). Proton. Neutron. A subatomic particle with no charge (found inside the nucleus ). Atomic Number.

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