PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoAnswer the following questions:
Answer variants:
Hydrogen element has been placed at the top of group 1.
Elements in the same column or group as fluorine form basic oxides and have seven electrons in their outermost shells and one valency.
Lithium and Beryllium
Si
1. In the Modern periodic table, which are the metals among the first ten elements?
2. Where do you think should hydrogen be placed in the Modern periodic table?
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