1-4: Subatomic Particles Flashcards
1
Q
amu, u
A
1 atomic mass unit
2
Q
Atomic Mass
A
Sum of the protons + neutrons
3
Q
Atomic Numbers
A
Number of protons
4
Q
How do you determine the number of electrons in an atom?
A
of protons
5
Q
Charge of proton, neutron, and electron
A
+1, 0, -1
6
Q
Ion
A
Version of an element with a different # of electrons
7
Q
Cation
A
- Ion with a positive charge
- Forms when electrons are lost
- Usually formed in metals
8
Q
Anion
A
- Ion with a negative charge
- Forms when electrons are gained
- Usually formed in non-metals
9
Q
12
C
6
A
Isotopic Notation:
Mass
Symbol of element
Atomic Number
10
Q
C-12
A
Hyphen Notation:
Symbol of element - atomic mass
11
Q
Species names for anions
A
Change ending to -ide
Add ion
12
Q
Species names for cations
A
Add ion
