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प्रश्न
The smallest particle of matter that can exist by itself is ______.
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उत्तर
The smallest particle of matter that can exist by itself is atom.
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संबंधित प्रश्न
WRITE SHORT ANSWER
What is radioactivity?
WRITE SHORT ANSWER
Name three inert gases.
Write the names of the elements present in the:-
Ammonia
Fill in the blank
An ion with positive charge is called ______
What are orbits or shells ?
Define: An Atom:
How is the size of an atom indicated ?
Find the mass of 2 moles of nitrogen atoms.
Name the gas that.
Turns moist starch iodide paper blue black.
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Which element will gain electron?
Select the correct answer to the statement given below:
The smallest particle of a substance – capable of independent existence and which retains the characteristics of the substance.
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Elements contain two or more kind of atoms and compounds contain only one kind of atom.
Draw the structure of an atom and explain the position of the sub-atomic particles.
Project.
To have an idea of what atoms are, students can be asked to construct atoms using pipe cleaners (thin metal wires-electron shells), pompoms (balls-different colours for protons and neutrons) and beads (electrons). Students will love and enjoy putting them together and they look great hanging from the ceiling in the classroom.
Define the following term with an example.
Metal
Give the salient features of “Modern atomic theory”.
A change in the physical state can be brought about
What is the fundamental particle of an element?
