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Chemical Bonding
Test Description: Ch.22 Chemical Bonding
Instructions: Answer all questions to get your test result.
1) Which of the following is a compound?
A
air
B
salt
C
paint
D
soup
2) Which molecules are most strongly attracted to one another
A
water molecules
B
hydrogen molecules
C
nitrogen molecules
D
oxygen molecules
3) Sugar has a lower melting point than salt because sugar is made of?
A
crystals
B
atoms
C
ions
D
molecules
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
hydrogen
B
covalent
C
metallic
D
ionic
6) Oxygen atoms have six electrons in their outer shells. When two oxygen atoms bond, they will form a ______________ bond by _________ their electrons
A
ionic, sharing
B
covalent, transferring
C
covalent, sharing
D
ionic, transferring
7) All organic compounds must contain the element
A
carbon
B
oxygen
C
hydrogen
D
nitrogen
8) The atoms in organic molecules are held together by ___________ bonds.
A
metallic
B
hydrogen
C
covalent
D
ionic
9) A _________ is a polymer that contains many different molecules of amino acids.
A
Methane
B
Protein
C
DNA
D
glucose
10) The polymer __________ determines your genetic makeup.
A
methane
B
glucose
C
DNA
D
Proteins
*select an answer for all questions
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