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प्रश्न
Fill in the blank:
Symbolic expression for a molecule is called _____.
उत्तर
Symbolic expression for a molecule is called molecular formula.
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संबंधित प्रश्न
Give two symbols which have been derived from the " Latin names" of the elements.
State what a chemical formula denotes.
Match the symbols of – radicals – with their correct combining power or capacity, (valency).
(a) OH
(b) So4
(c) No3
(d) Co3
Combining power or capacity – A : 3; B : 2; C : 1. (negative valencies)
Give the symbol of the following element:
Lead
State the type of element for the following:
Fluorine
State the type of element for the following:
Platinum
Give the formula of the following acid:
Hydrochloric
Give the formula of the following gas:
Sulphur dioxide
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).
Carbonate
Define Alchemy.
