Ask Question
23 October, 21:49

An atom is determined to contain 12 protons, 10 electrons, and 12 neutrons. What are the mass number and charge of this atom or ion?

Select one:

a. mass number: 24, charge: + 2

b. mass number: 22, charge: neutral

c. mass number: 34, charge: - 2

d. mass number: 34, charge: + 2

+3
Answers (1)
  1. 23 October, 22:00
    0
    Mass number = atomic number + number of neutrons.

    A=Z+N

    Z=number of protons=12

    N=12

    A=12+12=24

    If, we have 12 protons and 10 electrons, the charge of this ion is + 2

    Therefore: mass number:24; charge: + 2

    Answer: a. mass number: 24; charge: + 2
Know the Answer?
Not Sure About the Answer?
Find an answer to your question 👍 “An atom is determined to contain 12 protons, 10 electrons, and 12 neutrons. What are the mass number and charge of this atom or ion? Select ...” in 📗 Chemistry if the answers seem to be not correct or there’s no answer. Try a smart search to find answers to similar questions.
Search for Other Answers