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Ch 6 The Structure Of Matter
Test Description: Physical science
Instructions: Answer all questions to get your test result.
1) the formula C6H12O6 would be the ______________ formula for glucose
A
chemical and empirical
B
chemical and molecular
C
molecular and empirical
D
empirical and structural
2) all organic compounds must contain the element
A
carbon
B
hydrogen
C
oxygen
D
nitrogen
3) the atoms in organic molecules are held together by _____bonds
A
metallic
B
hydrogen
C
ionic
D
covalent
4) an alcohol must contain a(n)
A
-COOH group
B
-OH group
C
double bond
D
triple bond
5) a _____ is a polymer that contains many different molecules of amino acids
A
protein
B
methane
C
DNA
D
glucose
6) the polymer _____ determines your genetic makeup
A
DNA
B
methane
C
glucose
D
carbohydrate
7) a polymer of sugar molecules is called a(n)
A
protein
B
amino acid
C
DNA
D
carbohydrate
8) solid ionic compounds have very high melting points because they
A
are made of elements that are solid at room temperature
B
contain metallic elements
C
contain charged ions that are locked tightly together
D
are positively charged
9) formaldehyde CH2O and acetic acid C2H4O2 have the same empirical formula but different
A
kinds of anions
B
kinds of cations
C
kinds of atoms
D
molecular formulas
10) polymers are large organic molecules that are made of
A
repeating units
B
anions
C
cations
D
carbon and oxygen only
*select an answer for all questions
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