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प्रश्न
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उत्तर
Potassium carbonate - K2CO3 - `"K"^1"CO"_3^(2-)`
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संबंधित प्रश्न
Write the chemical formula of the Calcium carbonate.
What is meant by a chemical formula ? Write the formulae of one element and one compound.
What do the symbols, H2, S and O4 mean in the formula H2SO4 ?
Write down the formulae for the following compounds :
Calcium oxide
(a) Write the symbols/formulae of two simple ions and two compound ions (or polyatomic ions).
Fill in the blank:
Formula of iron (ill) carbonate is _____ .
Give the empirical formula of Acitic Acid CH3COOH.
Name the element in the compound and give the formula of the following compound:
Blue vitriol
Write the formula of the following compound:
Sodium carbonate
Write the formula of the following compound:
Magnesium hydroxide
Write the formula of the following compound:
Copper [I] oxide
Write the formula of the following compound:
Copper [I] sulphide
Write the formula of the following compound:
Iron [II] chloride
Write the formula of the following compound:
Lead [II] hydroxide
Define the term Relative atomic mass. State why indirect methods are utilised to determine the absolute mass of an atom. Explain in brief the indirect method used.
State of the following formula of a compound is incorrect. Incorrectly write the correct formula.
NaO
What do you understand by chemical formula of a compound? What is its significance?
Write the molecular formulae for the following compounds
Mercury (II) chloride
Play a game for writing formula.
Example 1: Make placards with symbols and valencies of the elements separately. Each student should hold two placards, one with the symbol in the right hand and the other with the valency in the left hand. Keeping the symbols in place, students should criss-cross their valencies to form the formula of a compound.
