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प्रश्न
Electron, proton, neutron are the types of ______ in an atom.
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उत्तर
Electron, proton, neutron are the types of subatomic particles in an atom.
संबंधित प्रश्न
The average atomic mass of a sample of an element X is 16.2 u. What are the percentages of isotopes `""_8^16X" and """_8^18X` in the sample?
TRUE \ FALSE
Elements combine in definite proportions to form compounds.
ANSWER IN DETAIL
Enlist the features of Bohr’s model of an atom. How did he correct the Rutherford’s model ?
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
Does the particle have an excess of electrons or a deficiency of electrons ?
What is the usual symbol for (a) and electron (b) a proton, and (c) a neutron?
Name the unit in which the radius of an atom is usually expressed.
Is it possible to see atoms these days ? Explain your answer.
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
How many atoms are there in exactly 12 g of carbon-12 element ? (C = 12 u)
In what respects do the three isotopes of hydrogen differ? Give their structures.
Draw the electron dot structure of this compound.
Name the gas that.
Turns moist starch iodide paper blue black.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
What will be the charge present of the molecule XY after chemical combination?
The basic unit of matter is ______.
In the nucleus of `""_20"Ca"^40`, there are ______
Give the salient features of “Modern atomic theory”.
A change in the physical state can be brought about
