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Eighth Grade (Grade 8) Atomic Structure Questions

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Grade 8 :: Atomic Structure by CaryBloomquist
When an atom gains an electron, it
  1. acquires a negative charge and becomes a negative ion.
  2. acquires a positive charge and becomes a positive ion.
  3. becomes electrically neutral.
  4. always has an uneven number of valence electrons.
Grade 8 :: Atomic Structure by emoster
Grade 8 :: Atomic Structure by Ms_VThomas
Compared to the charge and mass of a proton, an electron has
  1. the same charge and a smaller mass
  2. the same charge and the same mass
  3. opposite charge and smaller mass
  4. opposite charge and the same mass
Grade 8 :: Atomic Structure by Megstowe1
Atoms consist of: (check all that apply)
  1. Protons
  2. Molecules
  3. Neutrons
  4. Electrons
Grade 8 :: Atomic Structure by bigeekay
In an element with a neutral charge, the atomic number is equal to the number of:
  1. atoms
  2. nucleus
  3. protons
  4. electrons
  5. both c and d are correct
Grade 8 :: Atomic Structure by chucku
What is the nucleus made of?
  1. protons
  2. electrons
  3. neutrons
  4. protons and electrons
  5. protons and neutrons
  6. electrons and neutrons
Grade 8 :: Atomic Structure by gtckn
An atom becomes negatively charged by
  1. gaining an electron
  2. losing an electron
  3. losing a proton
  4. gaining a neutron
Grade 8 :: Atomic Structure by emoster
What charge do protons carry?
  1. Positive
  2. Negative
  3. Neutral
Grade 8 :: Atomic Structure by emoster
What charge do neutrons carry?
  1. Positive
  2. Negative
  3. Neutral
Grade 8 :: Atomic Structure by Ms_VThomas
A proton has approximately the same mass as
  1. a neutron
  2. a beta particle
  3. an alpha particle
  4. an electron
Grade 8 :: Atomic Structure by emoster
Which particle(s) are found in the nucleus?
  1. Proton
  2. Electron
  3. Neutron
  4. Both A and C
Grade 8 :: Atomic Structure by emoster
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