Question

what role did marie sklodowska curie play in the discovery of radioactivity?
○ she has discovered the decay of the uranium nucleus.
○ she has discovered two new elements that were both radioactive.
○ she has discovered the strontium element.
○ she has discovered the uranium element.
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part b
how was she acknowledged for her work in radioactivity?
○ she gets two nobel prizes in both physics and chemistry (but in different years).
○ she gets a nobel prize in chemistry.
○ she gets a wolf prize in physics.
○ she gets a nobel prize in physics.

Explanation:

Part A

• Option 1: The decay of the uranium nucleus was not discovered by Marie Curie.
• Option 2: Marie Curie (along with Pierre Curie) discovered radium and polonium, both radioactive elements. This is correct.
• Option 3: Strontium was not discovered by Marie Curie.
• Option 4: Uranium was discovered long before Marie Curie's work.

• Option 1: Marie Curie received two Nobel Prizes, one in Physics (1903) and one in Chemistry (1911) for her work on radioactivity. This is correct.
• Option 2: She received more than just a Nobel Prize in Chemistry.
• Option 3: The Wolf Prize in Physics was not awarded to Marie Curie (the Wolf Prize was established much later, and she died in 1934).
• Option 4: She received a Nobel Prize in Physics but also one in Chemistry, so this is incomplete.

Answer:

B. She has discovered two new elements that were both radioactive.

Part B