Advertisements
Advertisements
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.
विकल्प
True
False
Advertisements
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Fill in the blanks of the following statements :
An atom has atomic mass number 23 and atomic number 11. The atom has_________ electrons.
Cathode rays are a beam of fast moving _________
The maximum number of electrons that can be accommodated in L shell are_________
The maximum number of electrons that can go into the M shell is _________
What are inert elements?
What are valence electrons?
Choose the correct option:
The mass number of an atom whose unipositive ion has 10 electrons and 12 neutrons is :
If electrons are getting added to en element Y; then
Is Y getting oxidized or reduced?
If electrons are getting added to en element Y; then
What charge will Y migrate to during the process of electrolysis?
Give a simple diagram to show the arrangement of the electrons in an atom of sulphur.
On the basis of Thomson’s model of an atom, explain how the atom is neutral as a whole.
Atoms of all metals will have ______ electrons in their outermost orbit.
Assertion: Helium has four electrons in the outermost orbit.
Reason: Neon has eight electrons in the outermost orbit.
