Atomic Structure and The Periodic Table Flashcards
1
Q
Define atom
A
Smallest unit of matter that can take part in a chemical reaction
2
Q
Define proton
A
Positively charged
Mass of 1
Found in the nucleus
3
Q
Define neutron
A
Neutral charge
Mass of 1
Found in the nucleus
4
Q
Define electron
A
Negative charge
Really small mass (negligible)
Found orbiting the nucleus in shells