Element Symbol, Atomic Number and Electron Configuration.
Hydrogen———— H —–1 1s1
Helium————— He—– 2 1s2
Lithium————– Li —–3 1s22s1
Beryllium———– Be—– 4 1s22s2
Boron——————B ——-5 1s22s22p1
Carbon————— C——- 6 1s22s22p2
Nitrogen———— N——- 7 1s22s22p3
Oxygen————- O ——-8 1s22s22p4
Fluorine———– F———- 9 1s22s22p5
Neon—————- Ne——– 10 1s22s22p6
Sodium———— Na——— 11 1s22s22p63s1
Magnesium—– Mg ——–12 1s22s22p63s2
Aluminum——– Al ——13 1s22s22p63s23p1
Silicon————— Si—— 14 1s22s22p63s23p2
Phosphorus——- P—– 15 1s22s22p63s23p3
Sulfur————— S —-16 1s22s22p63s23p4
Chlorine———– Cl—— 17 1s22s22p63s23p5
Argon —————Ar—— 18 1s22s22p63s23p6
Potassium——— K —– 1s22s22p63s23p64s1
Calcium———- Ca—– 1s22s22p63s23p64s2
Scandium—— Sc—- 1s22s22p63s23p63d14s2
Titanium—– Ti—— 1s22s22p63s23p63d24s2
Vanadium—- V —–1s22s22p63s23p63d34s2
Chromium— Cr— 1s22s22p63s23p63d54s1
Manganese– Mn—- 1s22s22p63s23p63d54s2
Iron——- Fe—— 1s22s22p63s23p63d64s2
Cobalt—- Co—–1s22s22p63s23p63d74s2
Nickel—- Ni——1s22s22p63s23p63d84s2
Copper— Cu—- 1s22s22p63s23p63d104s1
Zinc—— Zn—— 1s22s22p63s23p63d104s2