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प्रश्न
Name the following:
Two atoms having the same number of protons and electrons but different number of neutrons.
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उत्तर
Hydrogen and carbon
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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.
What do you think would be the observation of `alpha` particle scattering experiment if carried out on (i) heavy nucleus like platinum (ii) light nuclei like litheum.
\[\ce{^24_12Mg}\] and \[\ce{^26_12Mg}\] are symbols of isotopes of magnesium.
(a) Compare the atoms of these isotopes with respect to :
i. the composition of their nuclei
ii. their electronic configurations
(b) Give reasons why the two isotopes of magnesium have different mass numbers.
Give the orbital diagram of the following:
Methane
Identify the following reaction as either oxidation or reduction:
O + 2e- → O2-
Explain Octet rule with an example.
How many electrons are required or released by each atom in chlorine to attain the nearest noble gas configuration?
