chem Flashcards

test

1
Q

what are the two types of acids

A

tenary and binary

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2
Q

if the polyatomic ion ends in “ate” change it to

A

ic

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3
Q

if the polyatomic ion ends In “ ite” change it to

A

ous

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4
Q

what is a binary acid

A

Binary acids are acids composed of two atoms, a hydrogen element and a nonmetal element.

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5
Q

what is a tenary acid

A

an acid that contains oxygen

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6
Q

cations

A

metals become cations when they lose electrons

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7
Q

anions

A

nonmetals become anions when they gain electrons

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8
Q

what is an ionic bond

A

the transfer of electrons from a metal ( cation) to a nonmetal anion)

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9
Q

binary ionic compound

A

a compound made up of a main group metal and a main group non metal

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10
Q

pure covalent bond

A

the electrons are sgared equally

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11
Q

what is a hydrogen bond

A

polar mol ecules containing hydrogen

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12
Q

types of intermolecular forces

A

dipole - dipole attractions
hydrogen bonding
dispersion forces
ionic bonds

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13
Q

all polar covalent bonds are attracted by

A

dipole dipole attractions

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14
Q

because polar molecules have dipoles the negatively charged end of the dipole in one molecule is attracted to the

A

positively charged end

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15
Q

ionic bonds

A

strongest type of attractive force found in a compound between a metal and a nonmetal

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16
Q

dispersion forces

A

the weakest bond

17
Q

why do polar bonds happen more than pure bonds

A

pure covalent bonds, the electrons are shared equally. In polar covalent bonds, the electrons are shared unequally, as one atom exerts a stronger force of attraction on the electrons than the other. The ability of an atom to attract a pair of electrons in a chemical bond is called its electronegativit