Chapter 6 Worksheet #1 - The Chemistry of Life

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Terms in this set (...)

electron
negatively charged particle in an atom
energy level
the negative subatomic particles of an atom form an ________ around the nucleus
surface tension
water molecules attracted to each other on the surface of the liquid
solute
the substance that is dissolved in a solution
radioisotope
an atom which comes apart because it is unstable is called _______
element
substance which cannot be broken down further
acid
a solution with a lot of H+ ions is called _____
polymer
a compound formed of repeated small molecules (monomers) joined together
solvent
the substance that does the dissolving in a solution
neutron
neutral particle in the nucleus
polar
polar solvents dissolve ______ solutes
capillary action
hydrogen bonding gives water a high heat of vaporization and caused it to stick to the sides of small tubes
neutrons
the nucleus consists of protons and _______
proton
a positively charged particle in the nucleus
neutral
a pH of 7
ion
an atom that has lost or gained electrons
covalent bond
two or more atoms share electrons to become more stable
polar molecule
uneven sharing of electrons make water a ___________
hydrogen ion (H+)
the positive ion (cation) or water [word and symbol]
isotope
an atom with more neutrons than usual in an element