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प्रश्न
The chemical symbol for sodium is
विकल्प
So
Sd
NA
Na
उत्तर
Na
Chemical symbol for sodium is Na.
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संबंधित प्रश्न
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
What is a symbol? What information does it convey?
Give a reason why elements are tabulated in a table called the ‘Periodic table’.
Give the names and symbols of the first twenty elements of the periodic table.
Give the symbol of the following element:
Magnesium
Give the symbol of the following element:
Phosphate
Write the radical of the following valency:
Calcium
Give the formula of the following acid:
Carbonic
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
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
