The difference between nuclear and chemical reactions

What is involved in a chemical reaction?

• Change in atomic mass

• Reaction of protons and neutrons

• Transfer, loss, gain, and sharing of electrons

• Decomposition of the nucleus

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Where does a nuclear reaction take place?

• In the atom's nucleus

• Outside the nucleus

• In the electron cloud

• On the atom's surface

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What remains unchanged in a chemical reaction?

• Volume

• Energy level

• Nuclear structure

• Number of electrons

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What changes in a nuclear reaction?

• Number of electrons

• Nuclear structure

• Chemical bonds

• Electron configuration

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What is responsible for chemical reactions?

• Atomic mass

• Electrons in the atom

• Nucleus decomposition

• Protons and neutrons

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What is a characteristic of the energy change in nuclear reactions?

• Very high energy change

• Only low energy change

• No energy change

• Minimal energy change

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What happens to the atomic mass in a nuclear reaction?

• It decreases by half

• It doubles

• There is mass change

• It remains the same

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Who reacts in a chemical reaction?

• Atomic mass

• Electrons

• Nucleus

• Protons and neutrons

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What is true about the atomic mass in a chemical reaction?

• It always increases

• Reactants and products have equal mass

• It always decreases

• Reactants have more mass than products

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Who reacts inside the nucleus during a nuclear reaction?

• Protons and neutrons

• Electrons

• Atoms

• Molecules

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