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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
Write true or false
All pure substances have characteristic melting and boiling points.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Marble
Name: a Non-metal Which is a Good Conductor of Electricity.
Give two examples of Metals.
Give two examples of the following.
Non-metals which are solids
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
Elements are made up of______ kinds of atoms.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
An element is sonorous and highly ductile. Under which category would you classify this element? What other characteristics do you expect the element to possess?
Complete the table by writing the symbols of the following elements
| Element | Symbol |
| Aluminum | Al |
| Nickel | |
| Bromine | |
| Helium | |
| Magnesium |
