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Science Ch 3 Vocab

QuestionAnswer
Chemical bonds links between two or more atoms that hold the atoms together.
Chemical formula symbols that show the elements in a compound and their ratios
Chemical name the name of a compound that indicates the elements in it.
Covalent compounds compounds, such as water, in which two atoms share a pair of electrons.
endothermic characterized by an overall absorption of energy.
exothermic characterized by a release of heat, light, and sound through electrical or other means.
ionic compounds compounds, such as table salt, in which oppositely charged ions come together because of mutual attraction.
ionic lattice repeating pattern of positive and negative ions forming an ionic compound.
Molecule A group of atoms in which the atoms are bound together by the sharing of one bone or more pairs of electrons.
multivalent metals metals that can form an ion in more than one way, resulting in ions with different charges. The prefix “multi-” means many.
Polyatomic ion a molecular ion composed of more than one type of atom joined by covalent bonds. The prefix “poly-” means many.
products new substances formed in a chemical reaction.
reactants substances that react in a chemical reaction
roman numerals numerals based on those used by the ancient romans.
Created by: jacob.harris
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