8.1 Review Question Preview (ID: 53902)
Chemistry.
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The amount of matter in an object
a) Mass
b) Matter
c) Density
d) Volume
How much space an object takes up
a) Mass
b) Matter
c) Density
d) Volume
Ozone is what type of molecule?
a) an ordinary molecule
b) a complex molecule
c) a compound molecule
d) an elemental molecule
CO2 (Carbon Dioxide) is what type of molecule?
a) an ordinary molecule
b) a complex molecule
c) a compound molecule
d) an elemental molecule
The second and third shell can hold more than 2 but not more than? (for you knowledge at this level)
a) 4
b) 6
c) 8
d) 16
what makes up most of the atom?
a) empty space
b) a football field
c) lots of subatomic parts
d) a marble
How many electrons are in the first shell?
a) 1
b) 2
c) 4
d) 8
What has a neutral charge or no charge?
a) a neutron
b) a proton
c) an atom
d) an electron
What charge does a proton have?
a) no charge
b) negative charge
c) positive charge
d) doesn't matter, who cares
A characteristic that you can observe or measure directly
a) Physical property
b) Chemical property
c) Physical change
d) Chemical change
What is the nucleus made up of?
a) Subatomic parts
b) electrons and protons
c) protons and neutrons
d) neutrons and electrons
What has a negative charge
a) The atom
b) The protons
c) The neutrons
d) The electrons
What is the smallest part of the atom?
a) The nucleus
b) The protons and neutrons
c) The electrons
d) The subatomic parts
The amount of matter present in certain volume of something
a) Mass
b) Matter
c) Density
d) Volume
The measure of how hot or cold something is
a) Magnestism
b) Temperature
c) Volume
d) Mass
Which is a sign of a chemical change
a) a new product formed or an unexpected color change
b) odor change or temperature change
c) Bubbling or fizzing
d) all of the above
what is a characteristic of a property change
a) phase changes
b) fire
c) odor
d) all of the above
What happens when heat is added to a substance
a) the substance changes it's state for example ice changes to water or water changes to vapor
b) the atoms spread apart making it less dense
c) the atoms move faster
d) all of the above
If heat was removed from a substance what would happen?
a) the atoms slow down and the substance becomes more dense
b) the atoms stay where they are and it stays in the phase that it is in
c) nothing there will be still heat in the substance so it will have the atoms moving around
d) none of the above
Natural materials are
a) something that sound cool
b) come from a natural resource
c) who cares
d) are building materials
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