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Science 1B Chapter 8 - Coggle Diagram
Science 1B Chapter 8
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Atom
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One of the largest atoms, a caesium atom, has the size of about 0.000000007cm
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Some types of atoms have different numbers of neutrons, making their average mass, the mass seen in the Periodic Table, to have a decimal (e.g Chlorine 35.5 [1dp])
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Molecules
2 or more atoms chemically combined, can be with same element of with different elements