Chemistry 1.1.8 Flashcards
1
Q
What is the Relative Mass of each Subatomic Particle? (3)
A
-Proton: 1
-Neutron: 1
-Electron: Negligible
2
Q
What is the ‘Atomic Number’?
A
The Number of Protos (/Electrons) in the Atom.
3
Q
What is another name of Atomic Number?
A
Proton Number.
4
Q
What is the Symbol for the Atomic Number?
A
Z.
5
Q
What determines an Element’s position on the Periodic Table?
A
It’s Atomic Number.
6
Q
What is the ‘Mass Number’?
A
The total number of Protons & Neutrons in the Nucleus of an Atom.
7
Q
What is the Symbol for the Mass Number?
A
A.
8
Q
How can you calculate the number of Neutrons in an Atom?
A
Mass Number - Atomic Number.
9
Q
What are ‘Isotopes’?
A
Atoms of the same Element with a different number of Neutrons.
