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State the number of electrons present in...

State the number of electrons present in the outermost shell of the atoms of the following elements :
(i) Neon (ii) Chlorine.

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The correct Answer is:
(i) 8 (ii) 7
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LAKHMIR SINGH & MANJIT KAUR-STRUCTURE OF ATOM-Exercise
  1. Which part of an atom was discovered by Rutherford's alpha particle sc...

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  2. What is the positive charge on the nucleus of an atom due to ?

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  3. State the number of electrons present in the outermost shell of the at...

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  4. Which shell of an atom can accommodate a maximum of : (a) 8 electron...

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  5. Name the shell of an atom which can accommodate a maximum of : (a) 2...

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  6. Which subatomic particle was discovered by : (i) Chadwick ? (ii) Tho...

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  7. Name the subatomic particle whose relative charge is : (a) +1 (b) -1...

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  8. Fill in the blanks in the following statements : (a) The number of p...

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  9. What is an electron ? State its relative mass and charge.

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  10. What is the absolute mass and charge of an electron ?

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  11. What important information is furnished about the nucleus of an atom b...

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  12. How was it shown that an atom has a lot of empty space within it ?

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  13. Why is an atom neutral inspite of the presence of charged particles in...

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  14. (a) Which of the nuclear particles is present in the same fixed number...

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  15. What is a proton ? State its relative mass and charge.

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  16. What is a proton ? State its relative mass and charge.

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  17. How does a proton differ from an electron ?

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  18. State two observations which show that atom is not indivisible.

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  19. All the gases form cathode rays and anode rays when electricity is pas...

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  20. What do you understand by the term electronic configuration of an elem...

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