Atomic Structure Flashcards
1
Q
Atom
A
The smallest part of an element
Makes up all substances
2
Q
Molecule
A
A group of 2 or more atoms covalently bonded together
3
Q
Structure of an atom
A
Positively charged nucleus containing protons and neutrons surrounded by negatively charged electron shells
4
Q
Relative charges of sub-atomic particles
A
Proton +1
Neutron 0
Electron -1
5
Q
A
