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प्रश्न
Find the atomicity of the Following molecule:
Calcium Chloride
उत्तर
Atomicity of
Calcium Chloride- CaCl2
= (1 X 1)+ (2 X 1)= 1 + 2 = 3
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संबंधित प्रश्न
Name: a Metal Which is a Poor Conductor of Electricity.
Give two examples of the following.
Inert gases
Match the Columns:
| Column A | Column B | ||
| (a) | Metals | (i) | Non-Reactive |
| (b) | Molecules | (ii) | Brittle |
| (c) | Non-Metals | (iii) | Lustrous |
| (d) | Noble Gases | (iv) | Smallest unit of Compound |
Represent with the help of a simple chart how matter is classified into pure or impure substances & further into elements, compounds & mixtures, with elements further segmented.
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
Give an example of two liquids that form heterogeneous – mixtures.
What are elements? What are they made of?
Differentiate between elements and compounds.
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
Why are utensils made up of aluminium and brass?
