chemical bonds

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A bond that forms between atoms when they share electrons is a ___

covalent bond

an atom that has gained or lost electrons is called a(n)

ion

A compound that is composed of only two elements is a

binary compound

a ____ is formed when atoms gain, lose, or share electrons

chemical bond

an ___ tells what elements make up a compound and the ratio of the atoms of those elements

chemical formula

an atom is ___ when it's outer level is filled with electrons

chemically stable

a ____ is a compound that has water chemically attached to its ions

hydrate

The force of attraction between the opposite charges of the ions in a ionic compound is a

ionic bond

molecules that do not have oppositely charged ends are

non polar molecules

A positive or negative number that is assigned to an element to show it's combining ability in a compound is a ___

oxidation number

A molecule that has a positive end and a negative end is a(n)

polar molecule

A group of atoms with a positive or negative charge is a

polyatomic ion

A chemical bond occurs when atoms lose, gain or share electrons

true

compounds containing polyatomic ions can have both ionic and covalent bonds

true

compounds have properties unlike their elements

true

in a chemical formula a script tells how many atoms of an element are in a unit of a compound

true

when writing the formula of a compound the symbol of the elements with the positive oxidation number comes first

true


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