Answer:
Hydrogen (H) 1s1
Helium (He) 1s2
Lithium (Li) 1s2 2s1
Beryllium (Be) 1s2 2s2
Boron (B) 1s2 2s2 2p1
Carbon (C) 1s2 2s2 2p2
Nitrogen (N) 1s2 2s2 2p3
Oxygen (O) 1s2 2s2 2p4
Fluorine (F) 1s2 2s2 2p5
Neon (Ne) 1s2 2s2 2p6
Sodium (Na) 1s2 2s2 2p6 3s1
Magnesium (Mg) 1s2 2s2 2p6 3s2
Aluminum (Al) 1s2 2s2 2p6 3s2 3p1
Silicon (Si) 1s2 2s2 2p6 3s2 3p2
Phosphorus (P) 1s2 2s2 2p6 3s2 3p3
Sulfur (S) 1s2 2s2 2p6 3s2 3p4
Chlorine (Cl) 1s2 2s2 2p6 3s2 3p5
Argon (Ar) 1s2 2s2 2p6 3s2 3p6
Potassium (K) 1s2 2s2 2p6 3s2 3p6 4s1
Calcium (Ca) 1s2 2s2 2p6 3s2 3p6 4s2
Step-by-step explanation: