lesson 4 vocab Word Scramble
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Term | Definition |
chemical bond | is a force that holds two or more atoms together |
valence electrons | is an outermost electrons of an atom that participates in chemical bonding |
electron dot diagram | a model that represents valence electrons in an atom as dots around element's chemical symbol |
covalent bond | is a chemical bond formed when two atoms share one or more pairs of valence eletrons |
molecule | is a group of atoms held together by covalent bonding that acts as an independent unit |
polar molecules | molecule that has a partial positive end and partial negative end because of unequal sharing of electrons |
chemical formula | is a group of chemical symbols and number that represent the elements and the numbers of atoms of each element that make up a compound |
ion | is an atom that is no longer electrically neutral because it has lost or gained valence electrons |
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