OGT 15
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6 terms
Terms | Definitions |
|---|---|
 atomic number | the number of protons in the nucleus of an atom |
| bacteria | unicellular, prokaryotic microorganisms that lack chlorophyll and can be seen only with a microscope |
| conservation | a careful preservation and protection of something |
| covalent | chemical bonds formed by the sharing of electrons between atoms |
| equilibrium | a state in which opposing forces are balanced |
| gas | state of matter that has neither a definite shape nor volume but tends to expand |
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