Advertisements
Advertisements
प्रश्न
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
Advertisements
उत्तर
‘An atom is the basic unit of an element’.
An atom of fluorine [At. No. 9]
\[\ce{\underset{\text{[atomic no.]}}{Z} = \underset{\text{[no. of protons]}}{P} = \underset{\text{[no. of electrons]}}{e}}\]
APPEARS IN
संबंधित प्रश्न
Name the substance you will add to speed up sedimentation.
Name: a Metal Which is a Poor Conductor of Electricity.
Define Elements.
Give two examples of Metals.
Define:
Atomicity
Write the names of elements from the following symbol:
Pt
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
State five different characteristics of compounds.
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
How are elements classified?
