travels around and outside the nucleus; is negative
a bond formed by the electrical attraction between oppositely charged ions
a compound that forms after a base and an acid is combined
a bond that happens when atoms share pairs of electrons
when there is a combination of two or more substances and a compound results
double replacement reaction
two elements switch places
what scientists think about atoms based on repeated observations of how atoms act in experiments
atoms held together by chemical forces
single replacement reaction
one element replaces another
a column of the periodic table of the elements
the amount of an acid or base in a solution
a method that uses chemical symbols and numbers to show the makeup of a compound
a horizontal row of the periodic table of the elements
changes color when exposed to acid or base solution
sodium chloride salt substitute
when compounds break apart
a compound that forms hydroxide (oH-) when dissolved in water
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