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basic chemistry
unit 2, chapter 3-4
Term | Definition |
---|---|
proton | positive charged sub-atomic particle |
neutron | neutral charge sub-atomic particle |
electron | negatively charged subatomic particle |
nucleus | hold the mass of the atom; proton and neutrons |
hydrogen bond | chemical connection between the Hydrogens of water molecules |
density | weight per unit of volume (g/L) |
carbohydrate | contains only carbon, hydrogen, and oxygen; smallest unit is glucose |
protein | made of amino acids; muscles, enzymes, hormones, hair, skin, nails... |
lipid | fats, waxes, and oils; not water soluble |
nucleic acid | makes up DNA; adenine, thymine, cytosine and guanine |