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Worksheet: The Structure of the Atom

Q1:

Where is most of the mass of an atom located?

  • AIn the space between the nucleus and the electron shells
  • BIn the electron shells
  • CIn the nucleus

Q2:

Where are the neutrons in an atom?

  • AThe nucleosome
  • BThe space around the nucleus
  • CThe nuclide
  • DThe nucleus
  • EThe shells

Q3:

Which particles can be found in the nucleus of an atom?

  • ANeutrons and electrons
  • BProtons and electrons
  • CPositrons and electrons
  • DProtons and neutrons
  • EPositrons and neutrons

Q4:

Fill in the blanks: An atom is a combination of a dense nucleus, containing and neutrons, and bound in the shells around the nucleus.

  • Anegatively charged, electrons, protons
  • Bpositively charged, protons, electrons
  • Cneutral, electrons, protons
  • Dneutral, protons, electrons
  • Enegatively charged, positrons, electrons

Q5:

Where are the protons in an atom?

  • AThe nucleosome
  • BThe space around the nucleus
  • CThe nuclide
  • DThe nucleus
  • EThe shells

Q6:

Approximately how large is the radius of an atomic nucleus compared to the radius of the atom, 𝑅 ?

  • A 𝑅 1 0 0
  • B 𝑅
  • C 𝑅 1 0 0 0
  • D 𝑅 1 0 0 0 0
  • E 𝑅 1 0 0 0 0 0

Q7:

Where are the electrons in an atom?

  • AThe nucleosome
  • BThe nucleus
  • CThe nuclide
  • DThe space around the nucleus
  • EThe space around the nucleosome