Advertisements
Advertisements
प्रश्न
What is an electron? State its relative mass and charge.
Advertisements
उत्तर
An electron (e−) is a fundamental subatomic particle with a negative elementary electric charge. Its mass is 1/1840th of that of a hydrogen atom.
APPEARS IN
संबंधित प्रश्न
State whether the following statement is true or false :
The cathode rays obtained from all the gases consist of negatively charged particles called electrons.
The subatomic particle called electron was discovered by :
What is the nature of the charge on Cathode rays .
Which sub-atomic particle was discovered by Chadwick.
Write down the electronic configuration of the following:
(a) `""_13^27"Y"`
(b) `""_17^35"Y"`
Write down the number of electrons in X and neutrons in Y.
The electronic configuration of fluoride ion is the same as that of the neon atom. What is the difference between the two?
An element A has 1 electron in its first shell. It combines with element B having 7 electrons in its third shell. What type of bond is formed?
The number of electrons in an element X is 15 and the number of neutrons is 16. Which of the following is the correct representation of the element?
Helium has two electrons in the outermost orbit and so it is chemically inert.
