the total number of valence electrons in 42 gm
The total number of valence electrons in 4.2 gm N-3 of ion is ( NA is the Avogadro''s number):(1) 1.6NA
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the total number of valence electrons in 42 gm n-3 of ion is na is the avogadro3939s number 1
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questionwhy poly tetra fluoro ethylene ptfe is usually used in sliding bearings answerthe choice of sliding surface of bearings is of very important
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