19) A pentavalent atom contains ____ number of electrons in its valence shell.
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Answers
Answered by
3
A pentavalent atom contains 5 number of electrons in its valence shell.
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0
A pentavalent atom contains five number of electrons in its valence shell. Thus, the correct option is 'd' i.e. 5.
Detailed Explanation
- Pentavalent atoms are the elements having five electrons in their valence shells.
- Phosphorus, Antimony, Arsenic etc. are some examples of pentavalent atoms.
- In pentavalent atoms, pentavalent impurities such as arsenic and phosphorus added to make n-type semiconductors.
- Four impurity electrons added with outer silicon atom and one electron leaves free.
The diagram is given below for clear understanding:
Attachments:
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