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प्रश्न
Draw the basic structure of an atom representing its –
- Subatomic particles
- Nucleus
- Orbits or shells.
उत्तर
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संबंधित प्रश्न
Write the names of the elements present in the:-
Ammonia
Write the names of the elements present in the :-
Sulphuric acid
Write the names of `"Ca"("NO"_3)_2` compounds :
Write the names of `"Na"_3"PO"_4` compounds :
Name two particles found inside the nucleus. What are they collectively called ?
How did Neils Bohr visualise the atom ?
State two observations which show that atom is not indivisible.
One nm is equal to :
Which has more atoms, 50 g of aluminium or 50 g of iron ? Illustrate your answer with the help of calculations.
(Atomic masses : Al = 27 u ; Fe = 25 u)
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
Select the correct answer to the statement given below:
The basic unit of matter is not capable of independent existence.
The electronic structure [configuration] of fluorine can be written as 2, 7. In a similar way give the electronic configuration of aluminium
An atom of an element has no electron. Will that atom have any mass or not? Can an atom exist without electron? If so then give example.
Define the following term with an example.
Metalloid
You are provided with a fine white coloured powder which is either sugar or salt. How would you identify it without tasting?
The graphite refill used is pencil is made of element called ______.
Lead is also known as plumbum.
What is the fundamental particle of an element?
