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3 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Group 15 |
Metals non metals metalloids |
NP ArAn. Bi Nmetals Metalloids Metal |
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Nitrogen(1 2 4 OS) Chile saltpetre Indian saltpetre OS- -3 +3 +5 BiF5 -5 |
Anomalous prty- Small size high electro-vity High ionisation enthalpy Absence of d orbital Pπ pπ bond N-N bond weak dan P-P {high interelectronic repulsion of non bonding e-} |
Max covalency 4 |
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With H O X metals |
Hydrides(EH3) Stability decreases dwn d GRP Reducing character?? Basicity??
Oxides(E2O3, E2O5) Higher oxidatn state oxide acidity??? Dwn d GRP?? Acidic basic amphoteric oxide X( EX3, EX5) Nitrogen no pentaX due to??? More covalent?? ( penta or tri?) Nly NF3 stable in case of nitrogen Tri covalent except?? Metals Binary compound -3 os Ex- Ca3N2, Ca3P2, Na3As2, Zn3Sb2 Mg3Bi2 |
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