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Bio chapter 2

Across
distinct positive/negative charges
unstable nucleus isotope
used to show electrons populating space in an atom
the amount of solute that is dissolved
ability of an atom to pull other atoms away
a substance with a detectable component
keeps the ph of a solution stable
like carbon 13, differs from the normal number of neutrons
Down
atoms emit energy and/or subatomic particles when the nucleus breaks up
resistance to seperation
arrangement of all elements
single electrons
dissolve easy in water
atom/molecule carrying a net charge
measure of energy of atoms jiggling