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Atomic structure

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Question 14

The table below shows the numbers of subatomic particles in two species, Species P and Species Q.

Subatomic ParticleSpecies PSpecies Q
Number of electrons66
Number of neutrons68
Number of protons66
a.

Which of the following describes the subatomic particles located in the nucleus of both species?

  • A electrons and neutrons
  • B electrons and protons
  • C protons and neutrons
  • D protons, neutrons, and electrons
[1]
b.

The atomic number of species Q is __________.

[1]
c.

The mass number of species Q is __________.

[1]
d.

Species P and Q are electrically neutral because

  • A the total number of protons equals the total number of neutrons
  • B the total number of electrons equals the total number of protons
  • C the total number of electrons equals the total number of neutrons
  • D the species have a fully filled outer shell
[1]
e.

Use information from the table to explain why species P and Q are isotopes of the same element.

[2]
f.

The electronic configuration of species P is

  • A 2, 4
  • B 4, 2
  • C 2, 8
  • D 2, 2, 2
[1]

Atomic structure Questions

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