Elements 1-56 Flashcards
H
Element: Hydrogen
Atomic Number: 1
Atomic Weight: 1.00794
Type: Non-metal
Most Common Valence: 1+
He
Element: Helium
Atomic Number: 2
Atomic Weight: 4.002602
Type: Non-metal
Most Common Valence: Inert
Li
Element: Lithium
Atomic Number: 3
Atomic Weight: 6.941
Type: alkali metal
Most Common Valence: 1+
Be
Element: Beryllium
Atomic Number: 4
Atomic Weight: 9.012182
Type: alkaline earth metal
Most Common Valence: 2+
B
Element: Boron
Atomic Number: 5
Atomic Weight: 10.81 1
Type: boron group, metalloid
Most Common Valence: 3+
C
Element: carbon
Atomic Number: 6
Atomic Weight: 12.0107
Type: carbon group, non-metal
Most Common Valence: 4+
N
Element: nitrogen
Atomic Number: 7
Atomic Weight: 14.0067
Type: diatomic non-metal
Most Common Valence: 5+
O
Element: oxygen
Atomic Number: 8
Atomic Weight: 15.9994
Type: diatomic non-metal
Group: Chalcogens
Most Common Valence: 2-
F
Element: fluorine
Atomic Number: 9
Atomic Weight: 18.9984032
Type: diatomic non-metal
Group: Halogen
Most Common Valence: 1-
Ne
Element: neon
Atomic Number: 10
Atomic Weight: 20.1797
Type: monatomic non-metal
Group: noble gas
Most Common Valence: inert
Na
Element: sodium
Atomic Number: 11
Atomic Weight: 22.989770
Type: metal
Group: alkali metal
Most Common Valence: 1+
Mg
Element: magnesium
Atomic Number: 12
Atomic Weight: 24.3050
Type: metal
Group: alkaline earth metal
Most Common Valence: 2+
Al
Element: aluminum
Atomic Number: 13
Atomic Weight: 26.981538
Type: metal
Group: boron group
Most Common Valence: 3+
Si
Element: silicon
Atomic Number: 14
Atomic Weight: 28.0855
Type: metalloid
Group: carbon group
Most Common Valence: 4+
P
Element: phosphorus
Atomic Number: 15
Atomic Weight: 30.973761
Type: polyatomic non-metal
Group: pnictogen
Most Common Valence: 5+
S
Element: sulfur
Atomic Number: 16
Atomic Weight: 32.065
Type: polyatomic nonmetal
Group: chalcogens
Most Common Valence: 2-
Cl
Element: chlorine
Atomic Number: 17
Atomic Weight: 35.453
Type: diatomic nonmetal
Group: halogen
Most Common Valence: 1-
Ar
Element: argon
Atomic Number: 18
Atomic Weight: 39.948
Type: monatomic nonmetal
Group: noblegas
Most Common Valence: inert
K
Element: potassium
Atomic Number: 19
Atomic Weight: 39.0983
Type: metal
Group: alkali metal
Most Common Valence: 1+
Ca
Element: calcium
Atomic Number: 20
Atomic Weight: 40.078
Type: metal
Group: alkaline earth metal
Most Common Valence: 2+
Sc
Element: scandium
Atomic Number: 21
Atomic Weight: 44.955910
Type: metal
Group: transition metal 3
Most Common Valence: 3+
T
Element: titanium
Atomic Number: 22
Atomic Weight: 47.867
Type: metal
Group: transition metal (4)
Most Common Valence: 4+