Question

9.Compounds are formed when​

Answer 1

Answer:

Compounds are formed when elements are joined and held together by strong forces called chemical bonds. These bonds involve the electrons that orbit the nucleus of the atom. Electrons are located in energy levels that occur at certain distances from the nucleus, called shells.

Answer 2

Explanation:

Compounds are formed when elements of joined and held together by strong forces is called chemical bonds . These bonds involve the electrons that orbit the nucleus of the atom. Electrons are located in energy level that occur at certain distance from the nucleus, called shells.

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