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(1) What is the symbol of electron_configuration [Ar] 4s1?
(2) What is the symbol of electron_configuration [He] 2s2 2p5?
(3) What is the symbol of electron_configuration [Ne] 3s2 3p6?
(4) What is the symbol of electron_configuration [He] 2s2 2p2?
(5) What is the symbol of electron_configuration [He] 2s2 2p1?
(6) What is the symbol of electron_configuration [Ar] 3d5 4s2?
(7) What is the symbol of electron_configuration [Ne] 3s2?
(8) What is the symbol of electron_configuration [Ar] 3d3 4s2?
(9) What is the symbol of electron_configuration [He] 2s2?
(10) What is the symbol of electron_configuration [Ne] 3s2 3p5?