Advertisements
Advertisements
प्रश्न
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
Advertisements
उत्तर
- Number of neutrons – 4
Number of protons – 3
Number of electrons – 3 - Number of neutrons – 146
Number of protons – 92
Number of electrons – 92
APPEARS IN
संबंधित प्रश्न
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
Fill in the blank of the following statement :
The subatomic particle not present in a hydrogen atom is ________
The number of neutrons present in 73Li is ______.
On the basis of Rutherford’s model of an atom, which subatomic particle is present in the nucleus of an atom?
Identify the Mg2+ ion from the Fig. where, n and p represent the number of neutrons and protons respectively
Calculate the number of neutrons present in the nucleus of an element X which is represented as `""_15^31"X"`
Isotopes exist because atoms of the same element can have different numbers of ______.
James Chadwick discovered the fundamental particle called proton.
Write the properties of neutrons.
The hydrogen atom does not have ______.
