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Diagram 1 represents an atom of hydrogen, showing the nucleus and the electron in the first shell. What is represented by diagram 2?

Mayya Alocci
May 8, 2024
1 min read

NY Regents Chemistry Exam August 2023 Question 31

31 Diagram 1 represents an atom of hydrogen, showing the nucleus and the electron in the first shell. What is represented by diagram 2?

Diagram 1 represents an atom of hydrogen, showing the nucleus and the electron in the first shell. What is represented by diagram 2?

(1) a positive ion of hydrogen

(2) a negative ion of hydrogen

(3) an atom of hydrogen in an excited state

(4) an atom of hydrogen in the ground state

Solution: Looking at the diagram 1 and diagram 2, we can see that the electron moved from the shell next to the nucleus to the outer shell. When an electron goes from a ground energy level to a higher energy level, it is called an excited state. Choice 3

Choice 3

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