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प्रश्न
State if the following element or radical is divalent?
Chromium
उत्तर
Chromium element or radical is not divalent.
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संबंधित प्रश्न
Name the following radicals :
OH
Write the names of `"NH"_4"OH"` compounds :
Write the names of `"ZnCl"_2 ` compounds :
Write the names of ZnS compounds :
Fill in the following blank with suitable word :
The particle which is formed by the gain of electrons by an atom is called ..............
Explain the formation of (i) sodium ion, and (ii) chloride ion, from their respective atoms giving the number of protons and number of electrons in each one of them. What is the reason for positive charge on a sodium ion and a negative charge on a chloride ion ?
A particle X has 17 protons, 18 neutrons and 18 electrons. This particle is most likely to be :
Write symbols of the following elements and the radicals obtained from them and indicate the charge on the radicals.
Mercury, potassium, nitrogen, copper, sulphur, carbon, chlorine, oxygen
Match the radicals in List I with their correct names from List II.
| List I | List II | |
| 1. `"NO"_3^(1-)` | A: Bisulphite | F: Sulphate |
| 2. `"HSO"_4^(1-)` | B: Phosphate | G: Nitrate |
| 3. `"SO"_4^(2-)` | C: Carbonate | H: Phosphite |
| 4. `"PO"_4^(3-)` | D: Nitrite | I: Sulpite |
| 5. `"HCO"_3^(1-)` | E: Bicarbonate | J: Bisulphate |
State if the following element or radical is divalent?
Nickel
