Question 3

The mass number of an atom is

  • A.the number of electrons in the atoms
  • B.the number of protons in the nucleus of the atom
  • C.the number of neutrons in the nucleus of the atom
  • D.the sum of numbers of protons and neutrons in the nucleus of the atom
Objective

Question details

Exam body
DELSU
Subject
Chemistry
Year
2018/2019
Question no.
#3
Type
Objective

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