Advertisements
Advertisements
प्रश्न
Choose the correct option
The number of valence electrons in O2- is :
विकल्प
6
8
10
4
Advertisements
उत्तर
6
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.
Name the subatomic particle whose relative charge is : –1
All the gases from cathode rays and anode rays when electricity is passed through them :What does the formation of cathode rays tell us about the atoms?
Explain the rule according to which electrons are filled in various energy levels.
Write down the number of electrons in X and neutrons in Y.
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?
Explain in brief the experimental proof which led to the discovery of –
Electrons
Differentiate between the following term:
Electron and proton
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?
An atom has a number of orbits and each orbit has protons.
