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प्रश्न
Which element has a total of two shells, with three electrons in its valence shell?
टीपा लिहा
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उत्तर १
Boron
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उत्तर २
Boron is an element with a total of two shells, with three electrons in its valence shell. Its atomic number is 5 and electronic configuration is 2,3.
Electronic configuration:- Shells: K L
Electrons arranged: 2 3
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