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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
salt
B
soup
C
paint
D
air
2) Which molecules are most strongly attracted to one another
A
water molecules
B
oxygen molecules
C
hydrogen molecules
D
nitrogen molecules
3) Sugar has a lower melting point than salt because sugar is made of?
A
atoms
B
ions
C
molecules
D
crystals
4) Atoms sometimes form bonds to?
A
give away protons
B
give away neutrons
C
become more stable
D
lose energy
5) Copper atoms are held together by ___________ bonds.
A
covalent
B
hydrogen
C
ionic
D
metallic
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, transferring
B
ionic, sharing
C
covalent, sharing
D
covalent, transferring
7) All organic compounds must contain the element
A
oxygen
B
hydrogen
C
nitrogen
D
carbon
8) The atoms in organic molecules are held together by ___________ bonds.
A
covalent
B
hydrogen
C
metallic
D
ionic
9) A _________ is a polymer that contains many different molecules of amino acids.
A
DNA
B
Methane
C
Protein
D
glucose
10) The polymer __________ determines your genetic makeup.
A
DNA
B
Proteins
C
methane
D
glucose
*select an answer for all questions
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