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What are the electronic configurations for the first twenty elements
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What are the electronic configurations for the first twenty elements

User Techfly
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H 1s¹
He 1s²
Li [He] 2s¹
Be [He] 2s²
B [He]2s²2p¹
C [He]2s¹2p²
N [He] 2s²2p³
O [He]2s²2p⁴
F [He]2s²2p⁵
Ne [He]2s2p⁶
Na [Ne]3s¹
Mg [Ne]3s²
Al [Ne]3s²3p¹
Si [Ne]3s²3p²
P [Ne]3s²3p³
S [Ne]3s²3p⁴
Cl [Ne]3s²3p⁵
Ar [Ne]3s²3p⁶
K [Ar]4s¹
Ca [Ar]4s²
User Sreevisakh
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