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प्रश्न
Select the correct answer from the choice given below.
A group of atoms of elements
विकल्प
ion
radical
combining power
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उत्तर
radical
संबंधित प्रश्न
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
What are the different types of mixtures ?
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Give two examples of the following.
Elements which are liquids
Define: Formula
Name: Two substances used to make electric wires
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
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 other than carbon that shows allotropy.
Complete the table:
| Element | Latin Name | Symbol |
| Mercury | ______ | Hg |
| Lead | Plumbum | ______ |
| Iron | ______ | Fe |
| Potassium | Kalium | ______ |
