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Question
Fill in the blank
A diatomic gaseous element is _______.
Solution
A diatomic gaseous element is oxygen.
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RELATED QUESTIONS
Fill in the blank
Chalk powder dissolved in water is an example of a Chalk powder dissolved in water is an example of a _________.
Define: Compounds
Give Two Examples for Each of the Following: Inert Gases
Classify the following substances into elements and compounds
Mercury, sulphur, sugar, water, sand, gold, carbon, oxygen, alcohol, iron, marble, baking soda.
Give two examples of the following.
Non-metals which are lustrous
Give one use of the following substance:
Brass
Tick (√) the correct alternative from the choice given for the following statement
A gaseous non-metal.
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 |
Explain the difference between Metals and non-metals.
Higher-Order Thinking questions:
Why is hydrogen considered an element?
