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प्रश्न
What is meant by atomicity? Name the diatomic element.
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उत्तर
The number of atoms of an element that join together to form a molecule of that element is known as its atomicity.
Diatomic molecules: H2, O2, N2, Cl2
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संबंधित प्रश्न
Write the names of following elements Na, C, Kr, U, Ra, Fe, Co.
Give the symbol of the following element:
Zinc
Give the symbol of the following element:
Phosphorus
State the type of element for the following:
Bromine
State what is meant by the term ‘activity series of metals’.
Give the formula of the following gas:
Nitrogen
State whether the following ion or radical given below of a non-metallic element exhibits valency: 1–, 2– or 3–. (write the ion or radical with the correct valency).
Bromide
Which of the following symbols of elements are incorrect? Give their correct symbols
- Cobalt CO
- Carbon c
- Aluminium AL
- Helium He
- Sodium So
What is the expansion of IUPAC.
What is the rarest natural element on the earth?
