Question 1

Helium atoms are chemically unreactive because?

  • A.there are no electrons around the neucleus
  • B.the number of protons cquals the number of electrons
  • C.there are equal number of protons and neutrons in the nucleus
  • D.the outer electron shell is completely filled.
Objective

Question details

Exam body
DELSU
Subject
Chemistry
Year
2017/2018
Question no.
#1
Type
Objective

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