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प्रश्न
Fill in the blank
_________ refers to the number of atoms in the molecule of an element
उत्तर
Atomicity refers to the number of atoms in the molecule of an element
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संबंधित प्रश्न
Choose the most appropriate answer
A solvent of Iodine is
Differentiate between the following.
Filter Paper and Alum
Give Two Examples for Each of the Following: Inert Gases
Give reason: Argon is filled in electric bulbs.
Answer the following question:
When iron is mixed with sulphur at room temperature, it does not form a compound. Why?
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 |
Complete the statement – an element is a pure substance made up of ____________ atoms.
Complete the statement given below by filling in the blanks with the correct words.
From the elements – He, Br, Pt, and O; the element which is metallic is ____, an inert element is ____, forms a triatomic molecule is ____, is liquid at room temperature is_ ___.
State five different characteristics of 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