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name elements that can form BOTH + and - ions???????

name elements that can form BOTH + and - ions???????

Grade:9

2 Answers

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

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

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