Question

Plss answer the questions given in the extract​

Answer 1

Answer:

•bivalent element:- Oxygen and sulphur

•bivalent positive ion:- positively charged specie with a charge of 2+. They are formed when the neutral atom loses 2 electrons.

•Trivalent negative ion:- Having a Valency of 3-)

For example : (a) Copper metal (Cu) forms two types of ions, CU + and CU 2+. The Cu+ ion having 1 unit positive charge is known as copper (I) ion where (I) shows that the ion has a valency of 1+. The copper (I) ion CU + is also known as cuprous ion.

•Trivalent elemnts:- An atom, ion, or chemical group with a valence of three, is called trivalent.

Boron

Nitrogen

Aluminium

Explanation:

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