Electronic Structure in Atoms

When an electron moves from a lower to a higher energy level, the electron ________________.

• absorbs energy

• emits light

• releases energy

• moves closer to the nucleus

Tags

NGSS.HS-PS4-3

The lowest energy state of electrons in an atom is called the ______________.

• deep state

• excited state

• police state

• ground state

The pattern observed through a prism when electricity is passed through neon gas is called neon's _______________

• continuous spectrum

• atomic emission spectrum

• electromagnetic spectrum

Tags

NGSS.HS-PS4-3

Emission of light from an atom occurs when the electron ________.

• moves within its atomic orbital
• jumps from a lower to a higher energy level
• falls into the nucleus
• drops from a higher to a lower energy level

Tags

NGSS.HS-PS4-3

Which electron has more energy?

• an electron in the 1st energy level (n = 1)

• an electron in the 2nd energy level (n = 2)

• an electron in the 3rd energy level (n = 3)

• an electron in the 4th energy level (n = 4)

Which change occurs when an atom in an excited state returns to the ground state?

• Energy is emitted

• Energy is absorbed

• The number of electrons decreases

• The number of electrons increases

Tags

NGSS.HS-PS1-4

Which type of electromagnetic radiation can be detected by the human eye?

• ultraviolet light

• visible light

• infrared light

• x-rays

If the wavelength of an electromagnetic wave is longer, what is true about the energy?

• Energy is higher.

• Energy is lower.

• Energy is not dependent on wavelength.

• Energy is cancelled out.

Tags

NGSS.HS-PS4-1

A wave with a long wavelength will have a ______ frequency and _____ energy

• high, low

• high, high

• low, high

• low, low

Tags

NGSS.HS-PS4-1

Which type of wave has the shortest wavelength and the highest frequency? It is extremely harmful to life.

• radio waves

• infrared light

• gamma rays

• x-rays

Tags

NGSS.HS-PS4-1

NGSS.HS-PS4-4