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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:
Magnesium chloride
In term of electron transfer, define
Reduction
What is the contribution of the following in atomic structure?
Democritus
How does the Modern atomic theory contradict and correlate with Dalton's atomic theory?
Draw orbit structure diagram of calcium oxide (CaO).
In the formation of magnesium chloride (by direct combination between magnesium and chlorine), name the substance that is oxidized and the substance that is reduced.
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 |
Why are Noble gases inert in nature?
Spot the error/correct the wrong statement:
In the formation of compounds, the inner shell electrons of an atom involved in bonding.
Match the following:
| 1. | Monoatomic gaseous atom | a. | Electrovalent bond |
| 2. | Octet rule | b. | Benzene |
| 3. | Ionic bond | c. | Water |
| 4. | Non-polar solvent | d. | Electronic theory of valence |
| 5. | Polar solvent | e. | Noble gases |
