[رؤى عبدالله]

when s orbital overlaps with one orbital of p in carbon atom of C2H4 the number of hybridized orbital equal ........ one of them bind with the other carbon atom ;the other orbital
combine with .........atom
هل الاجابة صحيحة هنا؟
the magnetic moment of co in secrst ink ...7..but of sc ion is.........

by passing 22.4 L of NH3 through 1mole of HNO3 ..80..gm of .NH4NO3 is formed

////////////////////////////////////////////////////////////////////////////differentiate between
feso4 and fe2(so4 )3 practically ( by heat
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the smallest gas in density ..........
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put write or wrong with explain

SO2+1/O2 to give SO3
( )
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write equations

mgo with p2o5
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compare between

oxd. number of sc and zn

اسفة للاطالة.....................