Advertisements
Advertisements
Question
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
Advertisements
Solution
- 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
RELATED QUESTIONS
Name the three sub-atomic particles of an atom.
Compare the properties of electrons, protons and neutrons.
Fill in the blank of the following statement :
The subatomic particle not present in a hydrogen atom is ________
Explain in brief the experimental proof which led to the discovery of –
Neutrons
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?
Isotopes exist because atoms of the same element can have different numbers of ______.
What is the charge of a neutron?
Which subatomic particles have no charge?
The ratio of neutrons in C and Si with respective atomic masses 12 and 28 is ______.
