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