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An atom with 8 electrons in its outer mo...

An atom with 8 electrons in its outer most shell is chemically …………

A

stable

B

unstable

C

both

D

none of these

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The correct Answer is:
A
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VGS PUBLICATION-BRILLIANT-WHAT IS INSIDE THE ATOM ?-OBJECTIVE TYPE QUESTIONS
  1. The number of electrons present in outer most orbit of an atom is call...

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  2. An outer most shell which has 8 electrons is said to possess in ………………...

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  3. An atom with 8 electrons in its outer most shell is chemically …………

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  4. Atom of an element react with other atoms, to achieve …………………… in thei...

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  5. An atom can achieve octet by ……………..or ………………of electrons.

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  6. Transfer of sharing of electrons by an atom results in the formation o...

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  7. The number of protons in the nucleus of an atom is its …………….

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  8. The number of nucleons is called …………….of the atom.

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  9. Number of neutrons N = ………..

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  10. Atomic number is denoted by ………………

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  11. Mass number is denoted by

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  12. The elements which have a highest number of known isotopes are ……………. ...

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  13. The isotopes of Uranium is used as fuel is ……………… reactors.

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  14. The isotope of ……………is used in treatment of cancer.

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  15. .(1)^(2)H is called ……………..

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  16. Xenon and cesiums have …………… known isotopes.

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  17. …………….. Are not part of nucleus.

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  18. Electron configuration of Neon is ……….

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  19. Match the following. {:("a) Carbon","1) 2, 8, 8"),("b) Argon","2) 2,...

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  20. Match the following. {:("a) Proton","1) "e^(-)),("b) Electron","2) "...

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