JAMB - Chemistry (1994 - No. 17)
Which of the following atoms represents deuterium?
No protons = 1, No of neutrons = 0, No of electrons = 0
No protons = 1, No of neutrons = 0, No of electrons = 1
No protons = 1, No of neutrons = 1, No of electrons = 1
No protons = 1, No of neutrons = 2, No of electrons = 1