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Sixth Grade (Grade 6) Chemistry Questions

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Grade 6 Atomic Structure
The smallest particle of matter is called a/an                .
  1. atom
  2. molecule
  3. element
  4. compound
Grade 6 Properties of Matter
Gases can be easily compressed.
  1. True
  2. False
Grade 6 Molecules and Compounds
Compounds are pure substances made of
  1. two or more kinds of atoms.
  2. two of the same type of atom.
  3. more than 5 types of atoms.
  4. mixtures.
Grade 6 Periodic Table and Elements
The scientist                   developed the Periodic Table of the Elements.
  1. Dmitri Mendeleev
  2. Robert Boyle
  3. Niels Bohr
  4. Ernest Rutherford
Grade 6 Atomic Structure
All atoms are made up of
  1. protons only.
  2. neutrons only.
  3. electrons only.
  4. protons, neutrons, and electrons.
Grade 6 Properties of Matter
Anything that has volume and mass is                .
  1. atom
  2. mineral
  3. matter
Grade 6 Properties of Matter
Solid, liquid and gas are states of matter.
  1. True
  2. False
Grade 6 Properties of Matter
A physical property that always stays the same is
  1. temperature.
  2. size.
  3. phase.
  4. density.
Grade 6 Atomic Structure
The number of protons in a neutral atom is equal to the number of                  .
  1. electrons
  2. neutrons
  3. molecules
  4. none of the above
Grade 6 Atomic Structure
A(n)                 has no electrical charge.
  1. atom
  2. proton
  3. electron
  4. neutron
Grade 6 Atomic Structure
                are negatively charged particles.
  1. Protons
  2. Neutrons
  3. Electrons
Grade 6 Properties of Matter
Characteristics used to describe matter are called                    .
  1. physical properties
  2. real properties
  3. chemical properties
  4. both a and c
Grade 6 Atomic Structure
                are particles with no charge.
  1. Protons
  2. Neutrons
  3. Electrons
Grade 6 Properties of Matter
When water evaporates, it turns into a                .
  1. solid
  2. ice
  3. gas
  4. liquid
Grade 6 Molecules and Compounds
When two or more elements combine chemically, which of the following would be formed?
  1. DNA
  2. atoms
  3. compounds
  4. molecules
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