Question

give two example of each (a)electo negative ions monovelent,divalent,trivalent​

Answer 1

Answer:

Examples for monovalent atoms are Hydrogen, Sodium, Chlorine, etc. An atom, ion, or elements with a valence of two, is called divalent. Examples for divalent atoms are Oxygen, Magnesium, Sulphur, etc. An atom, ion, or elements with a valence of three, is called trivalent.

Answer 2

Answer:

in which class do you study