You must use the Periodic Table. Metals, on the right side, will be positive. Non-metals, left, are negative. You need to know the specific ionic charge elements.
<span>There are two atoms of sodium and one atom of oxygen. lmk if its right or wrong</span>
Definition of a compound
A substance made up of atoms from two or more elements that are chemically bonded together
<span>Seismogram: a record produced by a seismograph.
hope this helped :)
alisa202
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