Maingroup elements

This side share includes main group elements and 18 electron rule..

1. CSIR-NET(CHEMISTRY) TOPIC: 1.MAIN GROUP ELEMENTS AND IT,S THEORY, 2.{18 e- RULE} AND M-M BONDS CALCULATION…

2. MAIN GROUP ELEMENTS 1.Main group elements are also called “Represent elements” 2.“S and P block elements are called Main group elements… 3. It consist only metal, non –metal, metalloids…. 4. Elements in groups IA to VIIIA are known as main group elements…. 5.Electronic configurations of these are all regular and consistent…….(same number of Ve -)

3. MAIN GROUP(“S & p”)

4. S & P CATEGORIES

5. METAL, NON-METAL& METALLOIDS

6. S BLOCK ELEMENTS They are under classified two main categories and they are.., *Alkali metal(IA)….. *Alkaline earth metals(IIA)…. Alkali metals: H ,Li, Na, K , Rb , Cs, Fr….(ns1) Alkaline Earth metals: He, Be, Mg, Ca, Sr , Ba , Ra…..(ns2)

7. ALKALI AND ALKALINE EARTH METALS

8. VALENCE EECTRONS ns1&ns2

9. ALKALI & ALKALINE METAL ATOMIC SIZE

10. P BLOCLK ELEMENTS

11. P BLOCK CLASSIFIES…,

12. P BLOCK FAMILIES

13. P BLOCK FAMILIES

14. BORON FAMILY

15. CARBON FAMILY

16. NITROGEN FAMILY

17. OXYGEN FAMILY

18. HALOGEN FAMILY

19. NOBLE GASES FAMILY

20. P BLOCK OXIDATION STATES

21. CHEMISTRY TERMS 1,Protic solvent ---->solvent that contain must one hydrogen bond (O-H),(F-H).., 2,Aprotic solvent----->contains no hydrogen atom 3,Alkali= base ( NaOH )(KOH) 4,ARENE= AROMATIC HYDROCARBON=ARYL HYDROCARBON Benzene, toluene.., 5,ALKYL= ALKANE+YL( methane+yl )=methyl 6,ARYL=ARENE+YL( benzene+yl )=benzyl…….., THANK YOU……..( M.priyadharshan )