chemistry review Flashcards by britt rank

The nucleus of an atom is made up of

protons and neutrons.

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are particles that move rapidly around the nucleus (in orbitals).

Electrons

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When chemical bonds are broken _______ is released.

energy

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is a substance that dissociates into ions when it is in solution.

electrolyte

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store energy.

Chemical bonds

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is our important energy molecule!!!

ATP

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negative charge

electrons

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positive charge

protons

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charged particle

ion

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atom with electrical charge

ion

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water loving

hydrophillic

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water fearing

hydrophobic

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dissolves

solvent

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substance trying to dissolve

solute

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concentration

tonic

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water enters cell and can burst

hypotonic solution

shrink and die

hypertonic solution

happy cells

isotonic solution

for every number on the PH level, the next number goes up by

have to be shaped perfect or wont function

proteins

when protein wont function

denatured

head

hydrophilic

tail

hydrophobic

sodium ion has a ______ charge

positive

chloride has a _____ charge

negative

two atoms share a pair of electrons

covalent bond

atoms of opposite charges are attracted to one another

ionic bonds

the bond involves the attraction of a hydrogen end of a molecule with another molecule

hydrogen bond