Basics Of Chemistry By BioChem Classes.pptx

Includes basics of chemistry

1. Class 12 th Basics Of Chemistry

2. Element(1-30) Atomic Number Symbol Atomic Mass Electronic Configuration

3. Atomic Number Element Name Symbol Atomic Mass Electronic Configuration 1. Hydrogen H 1 1s1 2. Helium He 4 1s2 3. Lithium Li 7 1s2 2s1 4. Beryllium Be 9 1s2 2s2 5. Boron B 10 1s2 2s2 2p1 6. Carbon C 12 1s2 2s2 2p2 7. Nitrogen N 14 1s2 2s2 2p3 8. Oxygen O 16 1s2 2s2 2p4 9. Flourine F 19 1s2 2s2 2p5 10 Neon Ne 20 1s2 2s2 2p6

4. Atomic Number Element Name Symbol Atomic Mass Electronic Configuration 11. Sodium Na 23 1s2 2s2 2p6 3s1 12. Magnesium Mg 24 1s2 2s2 2p6 3s2 13. Aluminium Al 27 1s2 2s2 2p6 3s2 3p1 14. Silicon Si 28 1s2 2s2 2p6 3s2 3p2 15. Phosphorous P 30 1s2 2s2 2p6 3s2 3p3 16. Sulphure S 32 1s2 2s2 2p6 3s2 3p4 17. Chlorine Cl 35.5 1s2 2s2 2p6 3s2 3p5 18. Argon Ar 40 1s2 2s2 2p6 3s2 3p6 19. Potassium K 39 1s2 2s2 2p6 3s2 3p6 4s1 20 Calcium Ca 40 1s2 2s2 2p6 3s2 3p6 4s2

5. Atomic Number Element Name Symbol Atomic Mass Electronic Configuration 21. Scandium Sc 45 1s2 2s2 2p6 3s2 3p6 4s2 3d1 22. Titanium Ti 48 1s2 2s2 2p6 3s2 3p6 4s2 3d2 23. Vanadium V 51 1s2 2s2 2p6 3s2 3p6 4s2 3d3 24. Chromium Cr 52 1s2 2s2 2p6 3s2 3p6 4s1 3d5 25. Manganese Mn 55 1s2 2s2 2p6 3s2 3p6 4s2 3d5 26. Iron Fe 56 1s2 2s2 2p6 3s2 3p6 4s2 3d6 27. Cobalt Co 59 1s2 2s2 2p6 3s2 3p6 4s2 3d7 28. Nickel Ni 58.70 1s2 2s2 2p6 3s2 3p6 4s2 3d8 29. Copper Cu 63.5 1s2 2s2 2p6 3s2 3p6 4s1 3d10 30 Zinc Zn 65 1s2 2s2 2p6 3s2 3p6 4s2 3d10

6. Trick To Write Electronic Configuration 1s - School 2s 2p - School Public 3s 3p - School Public 4s 3d 4p - School Delhi Public 5s 4d 5p - School Delhi Public 6s 4f 5d 6p - School Fir Delhi Public 7s 5f 6d 7p - School Fir Delhi Public