PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Which element has
(a) two shells, both of which are completely filled with electrons?
(a) two shells, both of which are completely filled with electrons?
2. Which element has
(e) twice as many electrons in its second shell as in its first shell?
(e) twice as many electrons in its second shell as in its first shell?
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