Water Ch 2 Review And Atoms Question Preview (ID: 7475)
Review The Special Properties Of Water And Atoms In General.
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What is the ratio of hydrogen to oxygen in water?
a) 2:1
b) 1:2
c) 4:3
d) 5:2
When water molecules stick to themselves to form droplets we call it?
a) cohesion
b) adhesion
c) capillary action
d) high heat capacity
Water molecules are bipolar molecules which means that?
a) The oxygen has a slightly negative charge, while the hydrogens have a slightly positive charge.
b) The oxygen end and hydrogen ends are slightly positive.
c) Oxygen and hydrogen ends are slightly negative.
d) Hydrogen ends are slightly negative while oxygen is slightly positive.
Plants rely on what special property of water to get water from their roots to their leaves?
a) capillary action
b) high heat capacity
c) adhesion
d) cohesion
What two subatomic particles are found in the nucleus of an atom?
a) protons and neutrons
b) neutrons and electrons
c) electrons and protons
d) electons and monomers
What special property of water keeps it from heating too quickly?
a) high heat capacity
b) adhesion
c) cohesion
d) capillary action
How many valence electrons does carbon have?
a) 4
b) 3
c) 2
d) 5
What type of bond is it when electrons are transferred?
a) ionic
b) double
c) peptide
d) covalent
If sugar is dissolved in water, water is the _____?
a) solvent
b) solute
c) solution
d) mixture
Carbon dioxide is made of what elements?
a) carbon and oxygen
b) oxygen and calcium
c) nitrogen and carbon
d) carbon and hydrogen
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