Which cannot take place during a chemical reaction?
question 27 options:

formation of new atoms

bonds breaking between atoms

formation of new molecules

bonds forming between atoms

Formation of new atoms

Explanation:

Matter cannot be created nor destroyed, but can be turned into different forms (energy). When this happens, it is referred to as a nuclear reaction.

Chemical reactions only involve the electrons surrounding an atom and the atoms around it.

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

the fossil record provides evidence of a common ancestor to many species.