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प्रश्न
Complete the statement – an element is a pure substance made up of ____________ atoms.
विकल्प
identical
different
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उत्तर
An element is a pure substance made up of identical atoms.
संबंधित प्रश्न
Correct the following statement:
CO and Co both represents cobalt.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Marble
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Define a pure substance. How many types of pure substances do you know?
Give two examples of Metals.
Classify substances into pure and impure substances in the form of a chart or tabulation.
Select the correct answer from the choice in the bracket.
The least reactive metal.
Define the terms elements, compounds & mixtures with a view to show their basic difference.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
Give two example of elements.
