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प्रश्न
Name the following:
The radical containing one nitrogen and four hydrogen atoms.
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उत्तर
Ammonium
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संबंधित प्रश्न
Name the following radicals :
HC03
An element X has a valency of 2. Write the simplest formula for bromide of the element.
What is the difference between a cation and an anion ? Explain with examples.
A particle P has 18 electrons, 20 neutrons and 19 protons. This particle must be :
The valencies (or charges) of some of the ions are given below :
| Ion | Valency (Charge) | Ion | Valency (Charge) |
| Sodium ion | 1+ | Bromide ion | 1– |
| Ammonium ion | 1+ | Hydroxide ion | 1– |
| Calcium ion | 2+ | Sulphate ion | 2– |
| Lead ion | 2+ | Phosphate ion | 3– |
Using this information, write down the formulae of the following compounds :
(i) Sodium phosphate
(ii) Ammonium sulphate
(iii) Calcium hydroxide
(iv) Lead bromide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compounds.
Barium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Sodium zincate
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
State if the following element or radical is divalent?
Nickel
Atoms that carry positive or negative charges are called ______.
