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प्रश्न
State if the following element or radical is divalent?
Lithium
उत्तर
Lithium element or radical not divalent.
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संबंधित प्रश्न
Name the following radicals :
HC03
Name the following radicals :
OH
State whether the following statements are true or false :
A chloride ion has negative charge because it has more electrons than a neutral atom.
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to 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 compound.
Chromium sulphate
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Stannic oxide
Write the basic radicals and acidic radicals of the following and then write the chemical formulae of these compound.
Nickel bisulphate
Choose the correct answer from the options given below.
The number of carbon atoms in a hydrogen carbonate radical is
Name the following:
The radical containing one nitrogen and four hydrogen atoms.