CHEMISTRY FOR RAILWAY GROUP D
We are providing some important one liner about Metal Nonmetal and Metalloid for your upcoming Railway NTPC, group d, SSC and all competitive exam's.

METAL NONMETAL AND METALLOIDS
1. Metal is electropositive in nature.
2. Metal can convert into thin sheets is property called malleability.
3. Free electrons is any metal have curve path.
4. All three states solid, liquid and gases are found in non metal.
5. Most ductile metal is order to=Au,Ag,Al,Cu,An,Sn,Pb,Zn,Fe.
6. Carbon is added to make iron hard and strong.
7. A metal surface is shiny because of metallic lustre.
8. Bromine is only non metal in liquid state.
9. Non metal oxide are acidic.
10. Silicon is used to solar panel.
( FOR RRB NTPC, Railway Group d, SSC & ALL GOVT. EXAM PREPARATION)
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