Ch 6 Structure Of Matter Question Preview (ID: 4928)


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which of the following is a compound
a) salt
b) paint
c) soup
d) air

the attraction between molecules tends to be ____________ the attraction between ions
a) weaker than
b) stronger than
c) equal to
d) none of the answers are correct

sugar has a lower melting point than salt because sugar is made of
a) atoms
b) ions
c) molecules
d) crystals

atoms sometimes form bonds to
a) lose energy
b) become more stable
c) give away neutrons
d) give away protons

copper atoms are held together by _______ bonds
a) metallic
b) hydrogen
c) ionic
d) covalent

sodium has one electron in its outer shell and chlorine has seven electrons in its outer shell. the atoms will form an ______________ bond by ___________ electrons
a) covalent, transferring
b) covalent, sharing
c) ionic, transferring
d) ionic, sharing

oxygen atoms have six electrons in their outer shells. when two oxygen atoms bond, they will form a ____ bond by _____ their electrons
a) covalent, transferring
b) covalent, sharing
c) ionic, transferring
d) ionic, sharing

a covalent compound made of one sulfur atom and two oxygen atoms would be named
a) sulfur dioxide
b) sulfur oxide
c) disulfur oxide
d) disulfide oxygen

because the overall charge in a compound must be __________, the charge of an iron in Fe2O3 can be calculated as 3+
a) 2+
b) 0
c) 1+
d) 1-

The ____ formula of a compound is written in the simplest whole number ratio of atoms
a) empirical
b) chemical
c) molecular
d) ionic

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