Advertisements
Advertisements
प्रश्न
What are the noble gases?
Advertisements
उत्तर
Noble gases are gases that have their outermost orbit completely filled i.e. have stable electronic configuration.
APPEARS IN
संबंधित प्रश्न
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?
The ion of an element has 3 positive charges. The mass number of atom of this element is 27 and the number of neutrons is 14. What is the number of electrons in the ion?
The atom of an element X has 7 electrons in its M shell.
What type of ion will be formed by an atom of element X? Write the symbol of the ion formed.
What could element X be?
Give the symbol and charge of each particle.
Write down the number of electrons in X and neutrons in Y.
Differentiate between the following term:
Electron and proton
The maximum number of electrons that can be present in the N shell is ______.
The relative charge of an electron is – 1.
When an atom gains an electron it has more electrons and thus it carries a positive charge.
