Atomic Structure and Chemical Bonds Crossword Puzzle

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QUESTIONS LIST:

covalent bond : chemical bond formed when atoms share electrons.
energy level : the different positions for an electron in an atom.
electron cloud : region surrounding the nucleus of an atom, where electrons are most likely to be found.
chemical formula : combination of chemical symbols and numbers that indicates which elements and how many atoms of each element are present in a molecule.
molecule : neutral particle formed when atoms share electrons.
compound : pure substance that contains two or more elements.
ion : atom that is no longer neutral because it has gained or lost an electron.
chemical bond : force that holds two atoms together.
metallic bond : bond formed when metal atoms share their pooled electrons.
polar bond : bond resulting from the unequal sharing of electrons.
ionic bond : attraction that holds oppositely charged ions close together.