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Ch 6 Structure Of Matter
Test Description: Physical Science
Instructions: Answer all questions to get your test result.
1) which of the following is a compound
A
salt
B
air
C
paint
D
soup
2) 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
3) sugar has a lower melting point than salt because sugar is made of
A
atoms
B
molecules
C
ions
D
crystals
4) atoms sometimes form bonds to
A
become more stable
B
give away neutrons
C
lose energy
D
give away protons
5) copper atoms are held together by _______ bonds
A
metallic
B
ionic
C
covalent
D
hydrogen
6) 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
ionic, sharing
B
covalent, sharing
C
ionic, transferring
D
covalent, transferring
7) oxygen atoms have six electrons in their outer shells. when two oxygen atoms bond, they will form a ____ bond by _____ their electrons
A
covalent, sharing
B
covalent, transferring
C
ionic, sharing
D
ionic, transferring
8) a covalent compound made of one sulfur atom and two oxygen atoms would be named
A
sulfur oxide
B
disulfide oxygen
C
sulfur dioxide
D
disulfur oxide
9) because the overall charge in a compound must be __________, the charge of an iron in Fe2O3 can be calculated as 3+
A
1-
B
1+
C
0
D
2+
10) The ____ formula of a compound is written in the simplest whole number ratio of atoms
A
chemical
B
molecular
C
ionic
D
empirical
*select an answer for all questions
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