Advertisements
Advertisements
प्रश्न
The mass of an electron is about `1/2000` times that of proton.
विकल्प
True
False
Advertisements
उत्तर
This statement is True.
Explanation:
Because it is a fact known from experiments.
संबंधित प्रश्न
Compare the properties of electrons, protons and neutrons.
Name the element which does not contain any neutrons in its nucleus.
Write down the number of neutrons in the nucleus of an atom having atomic number 17 and mass number 37.
Explain in brief the experimental proof which led to the discovery of –
Neutrons
Calculate the number of neutrons, protons and electrons:
- atomic number 3 and mass number 7
- atomic number 92 and mass number 238.
Identify the Mg2+ ion from the Fig. where, n and p represent the number of neutrons and protons respectively
James Chadwick discovered the fundamental particle called proton.
Write the properties of neutrons.
Beryllium + α – rays → Carbon + ______.
The ratio of neutrons in C and Si with respective atomic masses 12 and 28 is ______.
