Question

What causes the appearance of lines in an emission spectrum?

Light is absorbed as an electron moves to a higher energy state.
Light is released as an electron moves to a lower energy state.
An electron is released as light when it moves to a lower energy state.
An electron is released as light when it moves to a higher energy state.

Answer 1

b

Step-by-step explanation:

Answer 2

Light is released as an electron moves to a lower energy state.

Step-by-step explanation: