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Atoms, molecules and elements are the building blocks of everything we can see, hear, and touch though not visible to the naked eye, it is the combination of. The ratio of the numbers of atoms that can be bonded together to form molecules is fixed for example, every water molecule contains two atoms of hydrogen and one. Unit 7: atoms and elements concept essay unit 7 is titled atoms and elements that is the main focus find study resources main menu chem ch3 atoms and molecules.
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· compare and contrast atoms and molecules y their similer amd different please help.