Atoms, Compounds and Isotopes Flashcards
1
Q
Mass Number
A
Total number of Protons and Neutrons. TOP NUMBER
2
Q
Atomic Number
A
Total number of Protons. BOTTOM NUMBER
3
Q
What is a compound?
A
Two or more elements chemically combined together.
Eg) Carbon + Oxygen -> Carbon Dioxide
4
Q
What is an isotope?
A
Isotopes are: Different atomic forms of the same element, which have the SAME number of PROTONS but a DIFFERENT number of NEUTRONS
5
Q
Protons have the same number of what?
A
Electrons
6
Q
What is the Charge of a Proton?
A
1
7
Q
What is the Charge of a Neutron?
A
0
8
Q
What is the Charge of a Electron?
A
-1
9
Q
What is the Mass of a Proton?
A
1
10
Q
What is the Mass of a Neutron?
A
1
11
Q
What is the Mass of an Electron
A
1/1836
