Inside An Atom

Inside An Atom

1. istopes:elements can have same atomic no. but different mass no. are known as isotopes

2. mass no: the no of neutrons and protons in the neucleas of an atom

3. atomic no:the no. of protons or electrons in an atom.

4. sub-atomic particles- small particles present inside the atom.

5. electronic configuration:the arrangement of electrons in the orbits

6. electron cloud:the place around the nucleas where the electrons are found

7. inert atoms:are the atoms which are stable with eight electrons in the outermost level

8. atomic mass unit:the unit used to measure sub-atomic particles

9. electron donor :is the atom that gives electrons

10. electron accepter :is the atom that accepts electrons

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