41. If the first LP and E.A of silicon are 785.7kj mol and 135.0ký mole respectively, the electro negativity of Si is equal to
1. ( 78.5.7+135.0 2 )
2. 0.208sqrt(7854.7 - 135.0
3. ( 785.7+135.0 544 )
4. ( 785.7+135.0 4.18 )
1. ( 78.5.7+135.0 2 )
2. 0.208sqrt(7854.7 - 135.0
3. ( 785.7+135.0 544 )
4. ( 785.7+135.0 4.18 )
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