Advertisements
Advertisements
प्रश्न
Fill in the blank of the following statement :
If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is __________.
उत्तर
If the nucleus of an atom has atomic number 17, mass number 37 and there are 17 electrons outside the nucleus, the number of neutrons in it is 20.
APPEARS IN
संबंधित प्रश्न
A neutron is formed by an electron and a proton combining together. Therefore, it is neutral.
What is a neutron? State its relative mass and charge.
Name the element which does not contain any neutrons in its nucleus.
The number of neutrons present in 73Li is ______.
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
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
Isotopes exist because atoms of the same element can have different numbers of ______.
The stability of the nucleus is determined by the Neutron – Proton ratio.
The ratio of neutrons in C and Si with respective atomic masses 12 and 28 is ______.