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प्रश्न
Define: Compounds
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उत्तर
Compounds : A compound is a pure substance formed by the chemical combination of two or more elements in a fixed ratio by mass.
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संबंधित प्रश्न
Define: Elements-
The formula of the sulphate of an element X is X2(SO4)3. The formula of nitride of element X will be :
A student wants to have 3.011 × 1023 atoms each of magnesium and carbon elements. For this purpose, he will have to weigh :
What do the following symbol stand for?
H2
Fill in the blank:
Symbol represents _____ atom(s) of an element.
State the type of element for the following:
Silicon
State the type of element for the following:
Platinum
Write the radical of the following valency:
Potassium
Write the chemical formula of the following:
Sodium 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).
Hydroxide
