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Grade: 9
        name elements that can form BOTH + and - ions???????
8 years ago

Answers : (2)

Tejas Paresh Lodaya
33 Points
							Hydrogen is an element which can form both cation and anionic species for example:-
As cation in HCl ,H2O,
As anion in LiH..

 
						
8 years ago
PRIYANKA TATA ASKIITIAN
78 Points
							

oxygen forms negative ions with all elements and positive ion with florine only since flourine is more electronegative.

other elements are...

hydrogen,carbon,nitrogen,phosphorous,sulfur,chlorine,arsenic,selenium,bromine,antimony,tellurium,iodine,astatine.

priyanka tata

8 years ago
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