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30 Cards in this Set
- Front
- Back
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The total number of protons and neutrons in an atom. |
atomic mass |
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The negatively charged part of an atom |
electron |
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water fearing |
hydrophobic |
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a solution that lessens the change in hydrogen ion concentration by adding or absorbing h+ |
buffer |
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a bond between charged atoms |
ionic bond |
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the neutral part of an atom |
neutron |
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unstable isotopes that spontaneously emit radiation |
radio isotopes |
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the gain of one or more electrons |
reduction |
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the energy of motion |
kinetic energy |
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the loss of one or more electrons |
oxidation |
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a covalent bond where electrons are shared unequally |
polar |
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substance capable of dissolving another substance |
solvent |
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the smallest unit of an element that has the chemical properties of that element |
atom |
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a positively charged atom |
cation |
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the outermost electron shell |
valance shell |
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two or more atoms joined by covalent bonds |
molecule |
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anything that has mass and occupies space is |
matter |
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forms of an element with differing numbers of neutrons |
isotope |
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a chemical bond where electrons are shared |
covalent bond |
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the amount of heat needed to raise the temperature of a substance 1 degree celsius |
specific heat |
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the property of sticking together |
cohesion |
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the property of sticking to some other substance |
adhesion |
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a solution that has more H+ than OH- ions |
acidic solution |
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an atom with one or more negative charge |
anions |
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a dissolved substance |
solute |
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a weak attractive force existing between a hydrogen atom with a partial positive charge and an electronegative atom with a partial negative (usually an oxygen or nitrogen) |
hydrogen bond |
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a covalent bond where electrons are shared equally |
non-polar |
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water loving |
hydrophilic |
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a molecule with more than one type of atom |
compound |
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the positively charged part of an atom |
proton |
