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प्रश्न
Name an element which does not contain neutron.
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उत्तर
Hydrogen does not contain any neutron.
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संबंधित प्रश्न
Give electron dot diagram of the following:
nitrogen
Explain the following briefly:
Helium does not form He2 molecule
Element X is a metal with a valency 2. Element Y is a non metal with a valency 3.
(a) Write equations to show how X and Y form ions.
(b) If Y is a diatomic gas, write the equation for the direct combination of X and Y to form a compound.
Define the term:
orbit
Choose the correct option
Which of the following is the correct electronic configuration of potassium?
Draw orbit structure diagram of calcium oxide (CaO).
Give the orbital diagram of the following:
Methane
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 |
How do atoms attain Noble gas electronic configuration?
The one which is composed of all the three kinds of bond.[ionic, covalent and coordinate bond]
