I think the correct answer from the choices listed above is option D. the substances cobalt and barium chloride will not react since cobalt os less active than barium so it does not have enough energy to displace barium in the compound. Hope this answers the question.
Answer:
Fission is the splitting of a large atom into two or more smaller ones. Fusion is the fusing of two or more lighter atoms into a larger one. Fission reaction does not normally occur in nature.
Explanation:
Quizlet
The sub-atomic particles inside the nucleus of atoms of any element are protons and neutrons. Protons have a positive charge and neutrons are neutral with no charge.
Answer:
( About ) 5.7 grams
Explanation:
Take a look at the attachment below for a proper explanation;