Atomic Structure And Isotopes Flashcards
1
Q
Proton, relative mass and charge
A
1
+
2
Q
Neutron, relative mass, charge
A
1
+-
3
Q
Electron, relative mass, charge
A
1/1840
-
4
Q
Atomic number
A
No of protons in an atom
5
Q
Mass number
A
Total no of protons and neutrons in an atom
6
Q
Isotopes
A
Atoms of the same element Different numbers of electrons Different atomic masses No difference in chemical reactions Small changes in physical properties
7
Q
Cations
A
Atoms with fewer electrons than protons
+ve charge
8
Q
Anions
A
Atoms with more electrons than protons
-ve charge
