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