Advertisements
Advertisements
प्रश्न
Which of the following statement is always correct?
विकल्प
An atom has equal number of electrons and protons.
An atom has equal number of electrons and neutrons.
An atom has equal number of protons and neutrons.
An atom has equal number of electrons, protons and neutrons.
Advertisements
उत्तर
An atom has equal number of electrons and protons.
Explanation -
An atom has equal number of electrons and protons since it is neutral.
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.
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 _________
The subatomic particle called electron was discovered by :
The atom of an element X has 7 electrons in its M shell.
Is it a metal or a non-metal?
If an atom contains one electron and one proton, will it carry as a whole is neutral
Element X has electronic configurations 2, 8, 18, 8, 1. Without identifying X,
- Predict the sign and charge on a simple ion of X.
- Write if X will be an oxidizing agent or a reducing agent. Why?
What is the relation between the number of protons and the number of electrons in an atom?
Explain in brief the experimental proof which led to the discovery of –
Electrons
What are the noble gases?
All non–metals will have ______ electrons in the outermost orbit of their atoms.
