Isotope Symbol Active Learning Exericse

15 Questions | By John_Mitchell_WV | Last updated: Dec 5, 2017 | Total Attempts: 36

Welcome to the E. L. E. (Electronic Learning Environment) for basic chemistry and Physical Science classes. This Active Learning Exercise will test your understanding of atomic mass, number of protons, neutrons, and electrons. I wish you GOOD LUCK and earn high marks.

Questions and Answers

1.

How many protons are found in the nucleus of Uranium - 236?
2.

How many neutrons are found in the nucleus of Uranium - 238?
3.

You have been provided with the 45 protons and atom mass of 103. How many neutrons does Rhodium-103 have?
- A.
  
  58
- B.
  
  68
- C.
  
  78
- D.
  
  88
- E.
  
  45
4.

Iodine - 131 has 45 neutrons in the nucleus.
- A.
  
  True
- B.
  
  False
5.

Isotope Cobalt - 59 has _____ electrons.
6.

Neon has 3 stable isotopes Neon-20, Neon-21, and Neon-22. Which isotope has the least number of neutrons?
- A.
  
  Neon - 20
- B.
  
  Neon - 21
- C.
  
  Neon - 22
- D.
  
  All isotopes have the same neutron number
7.

Nitrogen - 14 has _____ protons.
8.

What isotope would you create having 31 protons and 40 neutrons? (Please use this format to answer this question: Hydrogen - 1)
9.

Sulfur has 4 stable isotopes: Sulfur - 32, Sulfur - 33, Sulfur - 34, and Sulfur - 36. Which isotope has the highest number of neutrons?
- A.
  
  Sulfur - 32
- B.
  
  Sulfur - 33
- C.
  
  Sulfur - 34
- D.
  
  All sulfur isotopes have the same neutron number
- E.
  
  Sulfur - 36
10.

Given Nickel - 102, how many electrons does this isotope have in the electron cloud? (Please enter a number from 0 - to - 116)
11.

Given Hydrogen - 2, how many electrons does this isotope have in the electron cloud? (Please enter a number from 0 - to - 116)
12.

Iron has 4 stable isotopes: Iron-54, Iron-56, Iron-57, and Iron-58. Which isotope has 30 neutrons?
- A.
  
  Iron - 54
- B.
  
  Iron - 56
- C.
  
  Iron - 57
- D.
  
  Iron - 58
- E.
  
  Iron - 60
13.

Chlorine - 35 and Chlorine - 37 are stable isotopes. There are 17 protons are found in the nucleus.
- A.
  
  True
- B.
  
  False
14.

A stable isotope has 79 protons and 118 neutrons. What is this isotope called? (Please enter your answer in the given format: Hydrogen-4)
15.

What isotope would you create having 42 protons and 64 neutrons? (Please use this format to answer this question: Hydrogen - 1)

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