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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
Define: Elements-
Explain the significance of the symbol H.
Match the symbols of non-metallic elements with their correct combining power or capacity.
(a) O
(b) S
(c) Cl
Combining power or capacity A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Fluorine
Give the symbol of the following element:
Aluminium
State the type of element for the following:
Carbon
Give three reasons why – carbon dioxide is considered a compound, while carbon – an element.
State the valency of the following metallic element and write symbol with the valency
Potassium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Lead
write symbol with the variable valency
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).
Nitride
