atoms Flashcards
(8 cards)
1
Q
mass and charge of neutrons within an atom
A
2
Q
mass and charge of protons within an atom
A
3
Q
mass and charge of electrons within an atom
A
4
Q
electron shell sequence up to the 20th element
A
2,8,8,2
5
Q
difference between metal, metalloid and non-metals by physical properties
A
6
Q
what is an isotope
A
7
Q
what is an ion
A
8
Q
A
