Carbohydrates & Lipids.
Carbs are organic compounds (examples are sugars & starches). They provide energy and form structures such as cell walls.
Lipids are organic compounds (examples are fats & oils). They store energy and help form cell membranes in addition to having other functions in organisms
<span>Dalton's atomic theory proposed that all matter was composed of atoms, indivisible and indestructible building blocks. While all atoms of an element were identical, different elements had atoms of differing size and mass. Dalton also stated that all compounds were composed of combinations of these atoms in defined ratios. He postulated that chemical reactions resulted in the rearrangement of the reacting atom.
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Nuclear chemistry is the study of reactions that involve changes in nuclear structure. The chapter on atoms, molecules, and ions introduced the basic idea of nuclear structure, that the nucleus of an atom is composed of protons and, with the exception of