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Water Ch 2 Review And Atoms
Test Description: Review the special properties of water and atoms in general.
Instructions: Answer all questions to get your test result.
1) What is the ratio of hydrogen to oxygen in water?
A
2:1
B
1:2
C
5:2
D
4:3
2) When water molecules stick to themselves to form droplets we call it?
A
adhesion
B
high heat capacity
C
capillary action
D
cohesion
3) Water molecules are bipolar molecules which means that?
A
The oxygen end and hydrogen ends are slightly positive.
B
Hydrogen ends are slightly negative while oxygen is slightly positive.
C
The oxygen has a slightly negative charge, while the hydrogens have a slightly positive charge.
D
Oxygen and hydrogen ends are slightly negative.
4) Plants rely on what special property of water to get water from their roots to their leaves?
A
high heat capacity
B
capillary action
C
cohesion
D
adhesion
5) What two subatomic particles are found in the nucleus of an atom?
A
electons and monomers
B
protons and neutrons
C
neutrons and electrons
D
electrons and protons
6) What special property of water keeps it from heating too quickly?
A
high heat capacity
B
capillary action
C
adhesion
D
cohesion
7) How many valence electrons does carbon have?
A
4
B
5
C
2
D
3
8) What type of bond is it when electrons are transferred?
A
peptide
B
double
C
covalent
D
ionic
9) If sugar is dissolved in water, water is the _____?
A
mixture
B
solution
C
solvent
D
solute
10) Carbon dioxide is made of what elements?
A
nitrogen and carbon
B
carbon and hydrogen
C
oxygen and calcium
D
carbon and oxygen
*select an answer for all questions
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