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प्रश्न
The chemical symbol for sodium is
पर्याय
So
Sd
NA
Na
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उत्तर
Na
Chemical symbol for sodium is Na.
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संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
Match the formulas of the following of acids with their correct names:
Acids – (a) HCI (b) HNO3 (c) H2SO4 (d) H2CO3
Names – (1) Carbonic acid (2) Sulphuric acid (3) Hydrochloric acid (4) Nitric acid
Give the symbol of the following element:
Sodium
Give the symbol of the following element:
Aluminium
Write the radical of the following valency:
Sulphur [Sulphide]
State the valency of the following metallic element and write symbol with the valency
Chromium
Certain metal exhibit variable valencies which include valencies: 1+, 2+, 3+, and 4+.
State the variable valency of the following metal.
Silver
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).
Bisulphate
Give the qualitative and quantitative meaning of the term ‘symbol’.
Write the symbols for the following elements and classify them as solid, liquid and gas. Aluminum, Carbon, Chlorine, Mercury, Hydrogen and Helium
