Chapter 7- Electrons And Nuclei Flashcards
1
Q
Hydrogen atom has how many protons at its centre?
A
1 proton
2
Q
Electronic charge is
A
Negligible
3
Q
Proton number
A
Number of protons is the atomic nucleus
4
Q
Neutron number
A
Number of neutrons in the atomic nucleus of an atom
5
Q
Mass number
A
The number of protons + number of neutrons
6
Q
Proton number is the same as the
A
Electron number
7
Q
What is an isotope
A
All have the same proton number but different neutron number
