PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free Demo1. Lithium, sodium, potassium are metals that react with water to liberate hydrogen. Is there any similarity in the atoms of these elements?
These elements are and they have valence electron in their outermost shell and are therefore very unstable and reactive.
2. What property do all elements in the same column of the periodic table as fluorine have in common?
These elements all have electrons in their outermost shells, and these often exist as salts, combined with elements from the group.
Register for free to see more content