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ATI TEAS 7: CHEMISTRY-Questions with Correct Answers/ Verified/ 100% Pass
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ATI TEAS 7: CHEMISTRY-Questions with Correct Answers/ Verified/ 100%Pass
isotopes - ✔️✔️atoms of the same element that have different NEUTRONS
atomic mass - ✔️✔️tottal number of PROTONS and NEUTRONS
atomic number - ✔️✔️number of protons ins an atoms
ions - ✔️✔️a positively or negatively charged atom/molecule
cations - ✔️✔️atoms that have lost one or more electron and have a postive charge
anions - ✔️✔️atoms that have gaines one or more electrons and have a negative charge
sublimination - ✔️✔️solid to gas
condensation - ✔️✔️Gas to liquid
evaporation - ✔️✔️Liquid to gas
deposition - ✔️✔️gas to solid
melting - ✔️✔️solid to liquid
feezing - ✔️✔️liquid to solid
reactants - ✔️✔️on the left side of equation; starting materials in a chemical equation
products - ✔️✔️on the right side of an equation; substances formed in a chemical equation
, ionic bonds - ✔️✔️formed when atoms gain/lose electrons
- metals and nonmetals
covalent bonds - ✔️✔️atoms sharing electrons
- two nonmetals
endothermic reactions - ✔️✔️absorb heat
exothermic reactions - ✔️✔️release heat
equilibruim - ✔️✔️rate of forward reaction = rate of reverse reaction
dynamic equilibrum - ✔️✔️forward and reverse reactions are occuring at the same time
catalysts - ✔️✔️speed up chemical reactions
activation energy - ✔️✔️minimum amount of energy needed for a chemical reaction to occur
cohesion - ✔️✔️similar molecule binding to another molecule
adhesion - ✔️✔️dissimilar molecules binding to another molecule
solvent - ✔️✔️substances that DISSOLVES a substance (ex: water)
solute - ✔️✔️substance that DISSOLVES in a SOLVENT
solution - ✔️✔️homogenous mixture of two or more substances whose components are uniformly
distributed
saturated solution - ✔️✔️solution containing the maximum possible amount of solute
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