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प्रश्न
Write the names of elements from the following symbol:
Ir
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उत्तर
Ir- Iridium
संबंधित प्रश्न
Give the symbols of: Carbon, calcium, copper, chlorine, cobalt, argon.
Define: Molecule
Name: Two substances used to make electric wires
Find the atomicity of the Following molecule:
Aluminium Suiphide
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 with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
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_ ___.
Select the correct answer from the choice in the bracket.
The positively charged particle of an atom.
Match the following.
| 1. | Element | Made up of molecules |
| 2. | Compound | Impure substance |
| 3. | Colloid | Settles down on standing |
| 4. | Suspension | Pure substance |
| 5. | Mixture | Made up of atoms |
What is the Latin name of Sodium?
