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प्रश्न
Element M forms a chloride with the formula MCl2 which is solid with a high melting point. What type of bond is in MCl2. Write the formula of the compound when M combines with sulphur, oxygen, and nitrogen.
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उत्तर
The bond formed between metal and nonmetal is an ionic bond.
The bond formed between metal M and chlorine is an ionic bond.
When metal M combines with sulphur – MgS
When metal M combines with oxygen – MgO
When metal M combines with nitrogen – Mg3N2.
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संबंधित प्रश्न
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
Explain the following briefly:
Helium does not form He2 molecule
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
An element with the atomic number 19 will most likely combine chemically with the element whose atomic number is
Name the following:
An element having valency 'zero'
Write the formula of its (X)
sulphate
nitrate
phosphate
carbonate
hydroxide.
Potassium (at No.19) and chlorine (at No.17) react to form a compound. Explain the formation of the compound on the basis of oxidizing agent.
Copy and complete the following table relating to the atomic structure of some elements:
| Element | Atomic Number | Mass Number | Number of protons | Number of Neutrons | Number of Electrons |
| Beryllium | 4 | 9 | |||
| Fluorine | 9 | 10 | |||
| Sodium | 12 | 11 | |||
| Aluminium | 27 | 13 | |||
| Phosphorus | 31 | 15 |
The element that would form anion by gaining electrons in a chemical reaction is ______.
______ theory explains the formation of molecules.
