Question

What causes the lines in the emission spectrum for elements?

a continuous release of energy from the heated element
a quantum absorption of energy as various electrons are excited to a higher energy level
a quantum release of energy as electrons drop back to their ground state
none of the above

Answer 1

Answer:

The answer is: A quantum release of energy as electrons drop back to their ground state

Explanation:

Answer 2

A quantum release of energy as electrons drop back to their ground state causes the lines in the emission spectrum for elements. Hence, Option (C) is correct.

What is Emission Spectrum ?  

The emission spectrum of a chemical element or chemical compound is the spectrum of frequencies of electromagnetic radiation emitted due to an electron making a transition from a high energy state to a lower energy state.

The photon energy of the emitted photon is equal to the energy difference between the two states.

A quantum release of energy as electrons drop back to their ground state causes the lines in the emission spectrum for elements. Hence, Option (C) is correct.

Learn more about Emission Spectrum here ;

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