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Seventh Grade (Grade 7) Chemistry Questions

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Grade 7 :: Phases of Matter by cdellafave
At what temperature does water freeze in degrees Celsius?
  1. 10
  2. 100
  3. 32
  4. 0
Grade 7 :: Acids and Bases by Stodola
A household cleaner has a pH around 10. It would be considered a:
  1. base
  2. acid
  3. neutral
  4. liquid
Grade 7 :: Acids and Bases by polinakapona
Strong acids have a pH scale of
  1. 0 - 7
  2. 6 - 8
  3. 11 - 15
  4. 0 - 4
Grade 7 :: Acids and Bases by RebeccaK
Acids have a pH of less than 7?
  1. True
  2. False
Grade 7 :: Acids and Bases by loridickson
Which has the most acidic pH?
  1. 2.5
  2. 3.5
  3. 4.5
  4. 5.5
  5. 6.5
Grade 7 :: Molecules and Compounds by PMISIAS
Which of the following choices sequences the parts of matter from smallest to largest correctly?
  1. atom -> element -> compound
  2. atom -> compound -> element
  3. element -> atom -> compound
  4. element -> compound -> atom
Grade 7 :: Properties of Matter by mrsbateacher
Mrs. B sets up two beakers that contain the same amount of water. She has two blocks of different materials that she labels "A" and "B." She places one block in each beaker. Block A sinks and Block B floats. Why?
  1. Block A has a lower density than the water.
  2. Block B has a higher density than Block A.
  3. Block A has a higher density than the water.
  4. Block A has a density equal to Block B.
Grade 7 :: Phases of Matter by SMulloy
What is vaporization that occurs throughout a liquid
  1. sublimation
  2. vaporization
  3. plasma
  4. boiling
Grade 7 :: Acids and Bases by julie_conwell1
Distilled water with a pH of 7 is:
  1. a salt
  2. an alkali
  3. an acid
  4. neutral
Grade 7 :: Bonds and Mixing by Robyn_Black
Which of the following atoms do not usually form bonds?
  1. Calcium
  2. Neon
  3. Hydrogen
  4. Oxygen
Grade 7 :: Properties of Matter by Supertron1
All of the following are physical properties except:
  1. color
  2. density
  3. melting point
  4. flammability
Grade 7 :: Atomic Structure by mckeehan
In an atom, the                              form a cloud around the nucleus.
  1. electrons
  2. protons
  3. neutrons
  4. positively charged particles
Grade 7 :: Properties of Matter by theorasmom09
Which of the following defines matter?
  1. anything without mass
  2. anything with mass and takes up space
  3. anything with mass but doesn't take up space
  4. anything without mass and doesn't take up space
Grade 7 :: Properties of Matter by Michiko1999
What is mass?
  1. The amount of matter in an object
  2. The weight of an object
  3. None of the above
Grade 7 :: Properties of Matter by vita63640
               is anything that has                and takes up space.
  1. Matter, Mass
  2. Mass, Matter
  3. Atoms, Mass
  4. Protons, Matter
Grade 7 :: Periodic Table and Elements by mckeehan
                contain only one type of atom.
  1. Plasmas
  2. Mixtures
  3. Elements
  4. Solids
Grade 7 :: Periodic Table and Elements by vita63640
The number of protons in an atom is equal to the                                     of the element.
  1. atomic mass
  2. atomic projection
  3. atomic number
  4. total mass
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