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प्रश्न
State if the following element or radical is divalent?
Ammonium
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उत्तर
Ammonium element or radical is not divalent.
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संबंधित प्रश्न
Calculate the number of aluminium ions present in 0.051 g of aluminium oxide.
(Hint: The mass of an ion is the same as that of an atom of the same element. Atomic mass of Al = 27 u)
Name the following radicals :
SO42
Name the following radicals :
HC03
Magnesium and oxygen combine in the ratio of 3 : 2 by mass to form magnesium oxide. What mass of oxygen gas would be required to react completely with 24 g of magnesium ?
State whether the following statements are true or false:
A sodium ion has positive charge because it has more protons than a neutral atom.
Give example.
Positive radicals
Give example.
Trivalent basic radicals
Name the following radicals and give their valencies:
1. SO4
2. CO3
3. OH4.
4.Cr2O7
Select the correct answer to the statement given below:
An elementary particle of matter – of a group of atoms of different elements behaving as a single unit with charge on the group.
State if the following element or radical is divalent?
Carbide
