Term
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Definition
| building blocks of elements |
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Term
| what makes up 96% of body mass |
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Definition
| oxygen, carbon, hydrogen, and nitrogen |
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Term
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Definition
| number of protons in nucleus (fixed component). equals # of electrons if atom is neutral |
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Term
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Definition
| mass of protons and neutrons |
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Term
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Definition
| structural variations of elements that differ in the number of neutrons |
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Term
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Definition
| 2 or more atoms bonded together (h2, c6h12o2) |
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Term
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Definition
| 2 or more different kinds of atoms bonded together (c6h12o2) |
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Term
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Definition
| highest amount, usually liquid |
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Term
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Definition
| lesser amount, dissolved in solvent |
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Term
| concentration of solutions |
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Definition
| g in 100 ml or ml in 100 ml |
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Term
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Definition
| 1 mole=atomic weight of element or molecular weight of compound in grams. 1 mole=6.02 x 10^23 molecules |
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Term
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Definition
no chemical bonding
can be separated physically
hetero or homogenous |
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Term
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Definition
can be separated only by breaking bonds
all are homogenous |
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Term
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Definition
| stable and unreactive because outermost energy level fully occupied |
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Term
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Definition
| stored in bonds of chemical substances |
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Term
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Definition
| results from movement of charged particles |
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Term
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Definition
| directly involved in moving matter |
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Term
| radiant or electromagnetic energy |
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Definition
| exhibits wavelike properties (visible light, uv light, xray) |
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Term
| first law of thermodynamics |
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Definition
energy is conserved
energy can change form, but sum of energies is constant.
ex. windmill-electricty-light bulb |
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Term
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Definition
| measure of heat lost or absorbed by a system at constant pressure. delta H |
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Term
| 2nd law of thermodynamics |
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Definition
spontaneous process release energy as they move toward equilibrium.
disorder of a system will increase over time |
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Term
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Definition
measure of disorder in a system.
measure of energy transferred in a process that is unavailable for useful work. delta s |
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Term
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Definition
delta g.
energy that is available to do work |
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Definition
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Term
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Definition
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Term
| exchange/displacement reactions |
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Definition
| bonds are made and broken |
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