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प्रश्न
Select the correct answer from the choice given below.
A group of atoms of elements
पर्याय
ion
radical
combining power
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उत्तर
radical
संबंधित प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Name: a Metal Which is a Poor Conductor of Electricity.
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Define Elements.
State the number of atoms of H2SO4
Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
There are ______ number of known elements.
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which is required for combustion.
