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Seventh Grade (Grade 7) Atomic Structure Questions

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Grade 7 Atomic Structure
Which one of the following is NOT a basic component of an atom?
  1. Electron
  2. Proton
  3. Neutron
  4. Ion
Grade 7 Atomic Structure
What is the building block of matter?
  1. cell
  2. molecule
  3. element
  4. atom
Grade 7 Atomic Structure
Neutrons have negative charges.
  1. True
  2. False
Grade 7 Atomic Structure
Electrons have negative charges.
  1. True
  2. False
Grade 7 Atomic Structure
A positively charged atomic particle is called what?
  1. electron
  2. proton
  3. neutron
  4. nucleus
Grade 7 Atomic Structure
Outside the nucleus are                .
  1. electrons
  2. protons
  3. neutrons
  4. proneutrons
Grade 7 Atomic Structure
What is the charge of neutron?
  1. negative
  2. positive
  3. neutral
Grade 7 Atomic Structure
Outside the nucleus are                .
  1. electrons
  2. protons
  3. neutrons
  4. proneutrons
Grade 7 Atomic Structure
In an atom, the                              form a cloud around the nucleus.
  1. electrons
  2. protons
  3. neutrons
  4. positively charged particles
Grade 7 Atomic Structure
What is the charge of an electron?
  1. negative
  2. positive
  3. neutral
Grade 7 Atomic Structure
An isotope of carbon is                .
  1. boron-12
  2. nitrogen-12
  3. carbon-14
  4. hydrogen-2
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