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प्रश्न
State what a chemical formula denotes.
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उत्तर
Chemical formula denotes the number of atoms of each element present in a compound.
संबंधित प्रश्न
Give two examples of the following :
Solid + Solid mixture
Name the elements represented by the following symbols :
Hg, Pb, Au, Ag, Sn
State the type of element for the following:
Oxygen
State the type of element for the following:
Calcium
State the most reactive and the least reactive metal from the following – Zn, Ag, Na, Fe, Cu, Pb.
Write the radical of the following valency:
Phosphate
State the valency of the following metallic element and write symbol with the valency
Magnesium
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).
Plumbite
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt and O; the element which forms a polyatomic molecule is ________ and which is liquid at room temperature is ________.
Write the constituent elements and their symbols for the following compounds.
- Carbon monoxide
- Washing soda
