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Periodic Table of the Elements: Americium

(Encyclopedia) Periodic Table of the Elements: Americium Atomic Number: 95 Atomic Symbol: Am Americium Atomic Weight: (243) Electron Configuration: 2 · 8 · 18 32 · 25 8 · 2

Periodic Table of the Elements: Antimony

(Encyclopedia) Periodic Table of the Elements: Antimony Atomic Number: 51 Atomic Symbol: Sb Antimony Atomic Weight: 121.760 Electron Configuration: 2 · 8 · 18 18 · 5

Periodic Table of the Elements: Argon

(Encyclopedia) Periodic Table of the Elements: Argon Atomic Number: 18 Atomic Symbol: Ar Argon Atomic Weight: 39.948 Electron Configuration: 2 · 8 · 8

Periodic Table of the Elements: Arsenic

(Encyclopedia) Periodic Table of the Elements: Arsenic Atomic Number: 33 Atomic Symbol: As Arsenic Atomic Weight: 74.92160 Electron Configuration: 2 · 8 · 18 · 5

Periodic Table of the Elements: Astatine

(Encyclopedia) Periodic Table of the Elements: Astatine Atomic Number: 85 Atomic Symbol: At Astatine Atomic Weight: (210) Electron Configuration: 2 · 8 · 18 32 · 18 · 7

Periodic Table of the Elements: Barium

(Encyclopedia) Periodic Table of the Elements: Barium Atomic Number: 56 Atomic Symbol: Ba Barium Atomic Weight: 137.327 Electron Configuration: 2 · 8 · 18 18 · 8 · 2

Periodic Table of the Elements: Berkelium

(Encyclopedia) Periodic Table of the Elements: Berkelium Atomic Number: 97 Atomic Symbol: Bk Berkelium Atomic Weight: (247) Electron Configuration: 2 · 8 · 18 32 · 27 8 · 2

Periodic Table of the Elements: Bismuth

(Encyclopedia) Periodic Table of the Elements: Bismuth Atomic Number: 83 Atomic Symbol: Bi Bismuth Atomic Weight: 208.98040 Electron Configuration: 2 · 8 · 18 32 · 18 · 5

Periodic Table of the Elements: Bohrium

(Encyclopedia) Periodic Table of the Elements: Bohrium Atomic Number: 107 Atomic Symbol: Bh Bohrium Atomic Weight: (270) Electron Configuration: 2 · 8 · 18 32 · 32 13 · 2