Advertisements
Advertisements
प्रश्न
Name the three subatomic particles present in an atom.
Advertisements
उत्तर
The three subatomic particles present in an atom are: electron, proton and neutron.
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
Define:- Radicals
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 `("NH"_4)_2"SO"_4` compounds:
Define: Relative atomic mass
What is the maximum number of electrons present in:
1. first shell
2. second shell
3. third shell and
4. fourth shell
Give two examples for each of ionic and covalent bond.
An atom has 13 protons and 14 neutrons.
What is the atomic mass of the atom ?
A certain particle ‘X’ has 17 protons, 18 electrons and 20 neutrons.
What is the charge on the particle ?
Why is it not possible to see an atom even with the most powerful microscope ?
Fill in the following blanks with suitable words :
In water, the proportion of oxygen and hydrogen is .............. by mass.
Elements X and Y have 1 and 7 electrons in their outermost shell respectively.
Which element will lose electron?
The smallest particle of matter that can exist by itself is ______.
K: Potassium:: C: ______.
Draw the structure of an atom and explain the position of the sub-atomic particles.
1 mole of Gold and Silver contain same number of atoms.
Lead is also known as plumbum.
A small block slides down on a smooth inclined plane, starting from rest at time t = 0. Let Sn be the distance travelled by the block in the interval t = n – 1 to t = n. Then, the ratio `S_n/(S_(n + 1))` is ______.
