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Eighth Grade (Grade 8) Chemistry Questions

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Grade 8 :: Acids and Bases by aem492
A solution at pH 11.5 is
  1. acidic
  2. basic
  3. neutral
  4. none of the above
Grade 8 :: Periodic Table and Elements by misschalas
The number of protons in the nucleus of an atom of that element is
  1. atomic number
  2. atomic weight
  3. mass number
  4. isotopes
Grade 8 :: Periodic Table and Elements by LBeth
Most of the elements on the periodic table are metals.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by LBeth
The periodic table has 7 groups.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by LBeth
The symbol for tin is Sb.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by LBeth
Cobalt has 27 protons.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by LBeth
Gold's atomic number is 79.
  1. True
  2. False
Grade 8 :: Phases of Matter by aliciaerickson
Liquids form into:
  1. any shape
  2. the shape of their container
  3. no shape
Grade 8 :: Periodic Table and Elements by LBeth
Chlorine is located in Group 3 of the periodic table.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by LBeth
Titanium has a greater average atomic mass than phosphorus.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by LBeth
Magnesium has fewer protons than neon.
  1. True
  2. False
Grade 8 :: Periodic Table and Elements by emoster
The atomic number equals number of                 in an atom.
  1. Protons
  2. Electrons
  3. Neutrons
Grade 8 :: Phases of Matter by aliciaerickson
Solid, Liquid, and Gas are called the...
  1. States of Volume
  2. States of Mass
  3. States of Matter
Grade 8 :: Phases of Matter by Vic_Dickenson
When water changes into water vapor this is called                
  1. condensation
  2. transpiration
  3. precipitation
  4. evaporation
Grade 8 :: Phases of Matter by aliciaerickson
Matter is made of...
  1. matter
  2. particles
  3. gravity
Grade 8 :: Properties of Matter by aliciaerickson
If an object is more dense than water, it will:
  1. float
  2. disappear
  3. sink
Grade 8 :: Periodic Table and Elements by LBeth
The atomic symbol for rutherfordium is Ru.
  1. True
  2. False
Grade 8 :: Phases of Matter by aliciaerickson
When ice melts it turns into a:
  1. Solid
  2. Liquid
  3. Gas
Grade 8 :: Phases of Matter by aliciaerickson
When water freezes, it turns into:
  1. water
  2. ice
  3. water vapor
Grade 8 :: Bonds and Mixing by aliciaerickson
A mixture is:
  1. 1 substance
  2. 2 or more substances
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