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Use the drop-down menus to complete each of the sentences. isotopes behave similarly in . involve only a rearrangement of electrons, and do not involve changes in protons or neutrons. in , a large amount of energy is released or absorbed. new elements can be formed as a result of . exothermic and endothermic reactions can occur during .

Respuesta :

Isotopes show similarity in chemical properties, and in exothermic reaction heat is released and in endothermic reaction heat is absorbed.

What are chemical reactions?

Chemical reactions are those reactions in which reactants combine with each other for the formation of products.

  • Isotopes are those species in which atomic masses are different and having the same atomic number and all are having the same chemical properties.
  • Chemical reactions are those reactions in which change in electrons takes place for the formation of new compound, but changes in neutron and proton does not takes place.
  • A large amount of energy is absorbed or released during a nuclear reaction when nucleus is split into radiations.
  • Exothermic reactions are those in which heat is released and endothermic reactions are those in which heat is absorbed.

Hence correct explanations are given above.

To know more about chemical reactions, visit the below link:
https://brainly.com/question/26018275

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Answer:

1. Top (Chemical)

2. Top (Chemical)

3. Middle (Nuclear)

4. Middle (nuclear)

5. Bottom (Both)

Explanation:

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