Advertisements
Advertisements
प्रश्न
Define: Compounds
Advertisements
उत्तर
Compounds : A compound is a pure substance formed by the chemical combination of two or more elements in a fixed ratio by mass.
APPEARS IN
संबंधित प्रश्न
Give two symbols which have been derived from the "English names" of the elements.
The formula of the sulphate of an element M is M2(SO4)3
Write the formula of it
Chloride
Give the symbol of the following element:
Potassium
Give the formula of the following gas:
Hydrogen chloride
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
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).
Zincate
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).
Phosphate
Name three metals whose symbols are derived: from their Latin names.
The name copper was taken from ______.
Which letter is never used in any element symbol?
