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Lesson: Nuclide Notation

In this lesson, we will learn how to write and interpret symbols denoting the element, charge, mass number, and atomic number of atoms and ions.

Worksheet • 12 Questions

Q1:

What is the nuclide symbol for the atom with 53 protons, 89 neutrons and 54 electrons?

  • A 1 4 2 5 3 – I
  • B 8 9 5 4 + T e
  • C 8 9 5 3 – I
  • D 1 4 2 5 4 T e
  • E 1 4 3 5 4 – T e

Q2:

Which isotope is represented by the nuclide symbol 2 4 1 1 N a ?

  • ASodium-24
  • BSodium-37
  • CSodium-11
  • DSodium-35
  • ESodium-13

Q3:

Which element X has an isotope with nuclide symbol 7 9 3 5 X ?

  • A B r
  • B S b
  • C A u
  • D R h
  • E R u

Q4:

What is the nuclide symbol for the atom or ion with 25 protons, 20 neutrons and 24 electrons?

  • A 4 5 2 5 + M n
  • B 4 9 2 0 – M n
  • C 4 9 2 5 + M n
  • D 4 5 2 0 M n
  • E 2 0 2 5 M n

Q5:

Which element X has an isotope with nuclide symbol 5 7 2 5 X ?

  • A M n
  • B M g
  • C L a
  • D P b
  • E G e

Q6:

Which of the following is a true description of 2 3 4 9 2 U ?

  • AThe atom has the same electron configuration as 2 3 8 9 2 U .
  • BThe atom has the same nuclear binding energy as 2 3 8 9 2 U .
  • CThe atom is an isotope of 2 3 4 9 4 P u .
  • DThe atom has an atomic mass number of 92.
  • EThe atom contains 234 neutrons.

Q7:

Which element X has an isotope with nuclide symbol 3 4 1 4 X ?

  • A S i
  • B S e
  • C C d
  • D C a
  • E N

Q8:

What is the nuclide symbol for an 𝛼 particle, including the charge?

  • A 4 2 2 + H e
  • B 2 2 H e
  • C 4 2 H e
  • D 3 2 + H e
  • E 3 2 2 + H e

Q9:

Which element X has an isotope with nuclide symbol 1 2 1 5 6 X ?

  • A B a
  • B F e
  • C S b
  • D T b
  • E Z n

Q10:

What is the nuclide symbol for the atom with 97 protons, 146 neutrons and 97 electrons?

  • A 2 4 3 9 7 B k
  • B 9 7 9 7 B k
  • C 1 4 6 9 7 B k
  • D 1 9 4 9 7 B k
  • E 9 7 1 4 6 B k

Q11:

What is the nuclide symbol for radon-224?

  • A 2 2 4 8 6 R n
  • B 8 8 1 3 6 R a
  • C 2 2 4 8 8 R a
  • D 1 3 8 8 6 R n
  • E 8 8 2 2 4 R a

Q12:

What is the nuclide symbol for the atom or ion with 45 protons, 24 neutrons and 43 electrons?

  • A 6 9 4 5 2 + R h
  • B 4 3 6 9 2 + T m
  • C 6 7 4 3 2 – T c
  • D 4 5 6 7 2 – H o
  • E 6 9 2 4 C r
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