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प्रश्न
State five different characteristics of compounds.
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उत्तर
Five characteristics of a compound:
- Components in a compound are in a definite proportion.
- The compound is always homogenous [i.e. identical composition].
- Particles in a compound are of one kind.
- Compounds have a definite set of properties.
- Elements in the compound do not retain their original properties.
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संबंधित प्रश्न
Write true or false
A heterogeneous mixture has a uniform composition throughout the mixture
Give Two Examples for Each of the Following: Inert Gases
Give two examples of the following.
Inert gases
Define: Formula
Indicate whether the following statement is true or false:
Metals reflect light and are good conductors of electricity
Indicate whether the following statement is true or false:
Noble gases are high reactive
State what are radicals. Give the names of the radicals –
(a) NO3
(b) OH
(c) SO4
(d) CO3
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
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
Name the element which is used for making computer chips.
