| 1) | The element with the highest first ionization potential is 
(1) Boron (2) Carbon (3) Nitrogen (4) Oxygen. |
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1 2 3 4 |
| | | 2) | The electronegativity of the following elements increases in the order
(1) C, N, Si, P (2) N, S, C, P (3) Si, P, C, N (4) P, Si, N, C. |
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1 2 3 4 | | | | 3) | The first ionization potentials in electron vlots of nitrogen and oxygen atoms respectively given by
(1) 14.6, 13.6 (2) 13.6, 14.6 (3) 13.6, 13.6 (4) 14.6, 14.6. |
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1 2 3 4 | | | | 4) |
Atomic radii of fluorine and neon in Augstrom units are respectively given by
(1) 0.72, 1.60 (2) 1.60, 1.60 (3) 0.72, 0.72 (4) None of these values. |
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1 2 3 4 | | | | 5) | 
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1 2 3 4 | | |
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