Advertisements
Advertisements
प्रश्न
The diagram represents an isotope of hydrogen [H]. Answer the following:
Atomic no. = 1
Mass no. = 1
If an isotope of ‘H’ has mass no. = 2, how many electrons does it have.
Advertisements
उत्तर
One electron.
APPEARS IN
संबंधित प्रश्न
FILL IN THE BLANK
Atomic theory of matter was given by ..........................
Fill in the following blanks :
| Atomic Number | Mass Number | Protons | Neutrons | Electrons | Symbol |
| 10 | 22 | _________ | _________ | _________ | _________ |
The number of electrons in the atom of an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of an atom of this element ?
From the symbol `""_2^4"He"` for the element helium, write down the mass number and the atomic number of the element.
If an atom ‘A’ has mass number 35 and atomic number 17, state the number of protons, electrons and neutrons it contains.
The particles that make up the atom are called ______ particles.
Explain the following terms.
- Proton
- Electron
- Neutron.
The No. of electrons in the outermost shell of the atom of an inert gas ______.
When an atom gives electrons from its outermost shell, it becomes ______ charged.
Electrons revolve around the nucleus in definite open shells.
