Advertisements
Advertisements
Question
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
Options
Gunpowder
Iodine
Boron
Helium
Bromine
Advertisements
Solution
A diatomic molecule: Bromine
APPEARS IN
RELATED QUESTIONS
Choose the most appropriate answer
A solvent of Iodine is
Give two examples of the following.
Inert gases
Tick (√) the correct alternative from the choice given for the following statement.
Brass and bronze are
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – a gas with a pungent, choking odour which is lighter than air
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:
Br
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
Non-metal conducting electricity :______ :: Metal conducting electricity : Copper
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.

Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
Give two example of elements.
