Review Flashcards
1
Q
Atom
A
Building blocks of materials
2
Q
Elements
A
Same type of atoms
3
Q
Sub - particles
A
- Protons
- Electrons
- Neutrons
PEN
4
Q
Electronic configuration
A
Electron distribution in the shells
5
Q
Shells/orbits
A
Electrons are placed in shells/orbits
6
Q
Element representation
A
14
N
7
14 is the mass number and 7 is the atomic number
7
Q
Atomic number
A
Number of protons/electrons
8
Q
Mass number
A
Total number of protons & neutrons
9
Q
Valance shell
A
Outermost shell of an atom
10
Q
Valance electrons
A
Electrons in the valance shell
11
Q
Octet state
A
Shell has 8 electrons and is complete
12
Q
Duplet state
A
Shell has 2 electrons and is complete
13
Q
Ions
A
Charged particles
14
Q
Cations
A
Positively charged
15
Q
Anions
A
Negatively charged
