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  9. Q2
Question 2

The mass number of an element is the sum of its

  • A.electrons, neutrons and protons
  • B.electrons and protons
  • C.protons and neutrons
  • D.orbital electrons
  • E.valence electrons
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1997
Question no.
#2
Type
Objective
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