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प्रश्न
The scientist who proposed the first letter (or first letter and another letter) of the Latin or English name of
an element as its symbol, was :
पर्याय
Dalton
Proust
Lavoisier
Berzelius
उत्तर
Berzelius
Berzelius proposed the first letter (or first letter and another letter) of the Latin or English name of any element as its symbol.
APPEARS IN
संबंधित प्रश्न
Give the names and symbols of the first twenty elements of the periodic table.
State what a chemical formula denotes.
In the chemical word equation –
Zinc + Sulphuric acid → Zinc sulphate + Hydrogen.
State the reactants and products of the above reaction. What does the arrow indicate?
Write the radical of the following valency:
Sulphate
Write the radical of the following valency:
Potassium
Give the formula of the following acid:
Sulphuric
Give the formula of the following gas:
Hydrogen chloride
State the valency of the following metallic element and write symbol with the valency
Calcium
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
Name three metals whose symbols are derived from the first letter of the name of the element.
