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GE 258 CH 2
Question | Answer |
---|---|
gaes, liquids, and solids | Matter |
contents of matter, always the same | Mass |
ability to do work, (has no mass) | Energy |
stored energy | potential |
energy in movement | kinetic |
electrons equal | protron |
atomic structure: number of protrons, defines the elements | atomic number |
atomic structure: sum of protons (+) and neutrons | mass numbers |
mixture: all the same and evenly distributed | solutions |
mixture: tiny particles suspended in liquid | colloids |
mixture: different atoms that do not combine | suspensions |
valence shell electrons are completely transferred | ionic bonding |
valence shell electrons are shared | covalent bonding |
electrons are shared equally | non-polar |
electrons spend more time around one nucleus | polar |
taste sour | acids |
donate protons/wants to get rid of (H+) | acids |
taste bitter | bases |
feel slippery (soap) | bases |
proton acceptor | bases |
fluids that can release and absorb large amounts of hydrogen ions | buffers |