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प्रश्न
Write the names of elements from the following symbol:
Cu
एक शब्द/वाक्यांश उत्तर
उत्तर
Cu- Copper
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संबंधित प्रश्न
Give Two Examples for Each of the Following: Inert Gases
Give two examples of the following.
Inert gases
Define: Atomicity
Find the atomicity of the Following molecule:
Aluminium Suiphide
Match the statements in List I – 1 to 10 correct answers in List II-A to J.
| List I | LIst II | ||
| 1 | Fluorine and chlorine | A | Nitrogen |
| 2 | A diatomic molecule | B | Boron |
| 3 | A molecule containing the elements hydrogen and oxygen. | C | Reactants |
| 4 | A metalloid - showing properties of both metals and non-metals. | D | Chemical Formula |
| 5 | The term used for the substances which take part in the chemical reaction | E | Halogens |
| 6 | The term represents a substance by means of symbols. | F | Water |
| 7 | The term used for the substances formed as a result of a chemical reaction | G | Nitric Acid |
| 8 | A compound containing one atom of zinc and two atoms of chlorine. | H | Products |
| 9 | The chemical name for nitrogen monoxide. | I | Phosphorus |
| 10 | A polyatomic molecule. | J | Zinc Chloride |
Write the names of elements from the following symbol:
Xe
Write the names of elements from the following symbol:
Fe
State four differences between – elements, compounds and mixtures with suitable examples.
Select the correct answer from the choice in the bracket.
The least reactive metal.
Match the following.
| Atom | Building block of matter |
| Element | Atoms of different kinds |
| Compound | Atoms of the same kind |
| Molecule | Smallest unit of a substance |
