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प्रश्न
What is the contribution of the following in atomic structure?
Maharshi Kanada
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उत्तर
According to Maharshi Kanada:
Matter consisted of indestructible particles called paramanus (now called atoms).
A paramanu does not exist in the free state, rather it combines with other paramanus to form a bigger particle called the anu (now called a molecule).
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संबंधित प्रश्न
Write the names of the elements present in the:-
Acetic acid
Define: Chemical bond
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
What value has been given to the mass of this reference atom ?
What is an atom ? How do atoms usually exist ?
The electronic configuration of an element Z is 2, 8, 8.
(a) What is the atomic number of the element?
(b) State whether element Z is a metal or a non-metal.
(c) What type of ion (if any) will be formed by an atom of element Z? Why?
(d) What is special about the outermost electron shell of the atom of this element?
(e) Give the name and symbol of element Z.
(f) Name the group of elements to which Z belongs.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which will form negative ion?
Define the term ions or radicals.
