Advertisements
Advertisements
प्रश्न
Define: Elements
Advertisements
उत्तर
Element is a substance which cannot be broken further into simpler substances and has a definite set of properties. Elements are made up of only one kind of atoms.
APPEARS IN
संबंधित प्रश्न
Define: Compounds
Name: a Metal Which is brittle
State the number of atoms of H2SO4
Find the atomicity of the Following molecule:
Acetic Acid
Fill in the blank
A metal which is a liquid at room temperature is _______.
Indicate whether the following statement is true or false:
Noble gases are high reactive
Differentiate between the terms –
elements, compounds & mixtures.
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
Write the names of elements from the following symbol:
Br
Higher-Order Thinking questions:
Why is hydrogen considered an element?
