periodic table Flashcards
H
Hydrogen
alkalai metal
atomic #: 1
protons: 1
neutrons:0
electrons:1
valence electrons: 1
unpaired electrons: 1
atomic mass: 1.008g/mol
group: 1 (IA)
period: 1
oxidation state: +1
configuration: 1s^1
quantum #s:
- n = 1
- L = 0
- M = 0
- s =
He
Helium
noble gas
atomic #: 2
protons: 2
neutrons: 2
electrons: 2
valence electrons: 2
unpaired electrons: 0
atomic mass: 4.003
group: 0
period: 1
oxidation state: 0
configuration: 1s^2
quantum #s:
- n = 1
- L = 0
- M = 0
- s =
Li
Lithium
alkalai metal
atomic #: 3
protons: 3
neutrons: 4
electrons: 3
valence electrons: 1
unpaired electrons: 1
atomic mass: 6.941
group: 1 (IA)
period: 2
oxidation state: +1
configuration: 1s^2~2s^1
quantum #s:
- n = 2
- L = 0
- M = 0
- s =
Be
Beryllium
alkaline earth metal
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