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