Advertisements
Advertisements
प्रश्न
Fill in the blank
A charged particle is called an _____
Advertisements
उत्तर
A charged particle is called an ion
APPEARS IN
संबंधित प्रश्न
TRUE \ FALSE
Cathode rays are a stream of fast moving particles that travel in random directions.
WRITE SHORT ANSWER
Name three inert gases.
Write the names of the elements present in the:-
Ammonia
Write the names of `"Ca"("NO"_3)_2` compounds :
What are orbits or shells ?
Who originated the word ‘atom’ ?
How did Neils Bohr visualise the atom ?
An atom has 13 protons and 14 neutrons.
What is the atomic number of the atom ?
An atom has 13 protons and 14 neutrons.
How many electrons would be present in this atom ?
Fill in the blank
An _______ is electrically neutral.
Name the three subatomic particles present in an atom.
How many times is a proton heavier than an electron?
For the symbols H, D and T, write the subatomic particles (protons, neutrons and electrons) found in each one of them.
Which of the following statement is correct about the atom of an element ?
Calculate the number of moles in 12.044 × 1025 atoms of phosphorus.
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.
Atomic models have been improved over the years. Arrange the following atomic models in the order of their chronological order
- Rutherford’s atomic model
- Thomson’s atomic model
- Bohr’s atomic model
What is the fundamental particle of an element?
