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प्रश्न
How many electrons are required or released by each atom in calcium oxide to attain the nearest noble gas configuration?
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उत्तर
In Calcium oxide, oxygen needs 2 electrons.
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संबंधित प्रश्न
Give electron dot diagram of the following:
nitrogen
(i) How many atoms of each kind are present in the following molecules: calcium oxide, chlorine, water, carbon tetrachloride?
(ii) How many electrons are required for their octet structure?
Complete the following:
| Sodium | Phosphorus | Carbon | |
| Formula of chloride | |||
| Nature of bonding | |||
| Physical state of chloride |
Fill in the blank.
___________ single covalent bonds are formed between the carbon and chlorine atoms.
Name an element which does not contain neutron.
Compare :
Sodium atom and sodium ion
Give the orbital diagram of the following:
Nitrogen
Explain the following:
Carbon-12 and carbon-14 both show similar chemical properties.
Number of valence electrons in carbon is ______.
Sodium having atomic number 11, is ready to ______ electron/ electrons to attain the nearest noble gas electronic configuration.
