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i want conclusion for this topic
calculate the molarity of sodiun in 0.66ml water
# what are supersaturated vapours
sodium does not react with a) Carbon b) Nitrogen c) Hydrogen d)both a an b
The valence electron in the carbon atom are: (1) 0 (2) 2 (3) 4 (4) 6 Ans: 4
The nucleus of an element contains 9 protons. Its valency would be : (1) 1 (2) 3 (3) 2 (4) 5 Ans: 1
An ion has 18 electrons in the outermost shell, it is: (1) Cu + (2) Th 4+ (3) Cs + (4) K + Ans
Q.What do you mean by Electron Transfer and Ion Formation? Ans. Positive and negative ions do not form independently. The loss and gain of electrons means the electrons m
laws of chemical combination
In polar covalent molecule, one atom gets positive charge and the other one takes negative charge as known as dipole.
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