Electromagnetic Spectrum

For waves in any medium, as the wavelength decreases, what happens to the frequency?

• It also decrease
• It stays the same
• It increases

Tags

NGSS.HS-PS4-1

Shorter Waves have ____Energy,Longer Waves___Energy?

• Lower,Higher

• Higher,Lower

Tags

NGSS.HS-PS4-1

Which color has the longest wavelength?

• Yellow

• Red

• Green

• Purple

Tags

NGSS.HS-PS4-1

What particles in the heated compounds are responsible for the production of the colored light?

• proton

• neutron

• electron

• proton and neutron

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Look carefully at the picture. It shows an electron in the excited state on the left, and the electron returning to its ground state on the right. When the electron return to the ground state it emits a_______________________.

• blast of cold air

• electrostatic charge

• proton

• photon (light)

Tags

NGSS.HS-PS1-4

NGSS.HS-PS4-3

The picture shows an atom in the ground state absorbing energy and the electron jumps to the excited state. Which state has higher energy?

• Ground State

• Excited State

Tags

NGSS.HS-PS1-4

NGSS.HS-PS3-2

Line emission spectra is produced from atoms when

• electrons release energy as they move to their excited state.

• electrons absorb energy as they move to their excited state.

• electrons release energy as they return to the ground state.

• electrons absorb energy as they return to the ground state.

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-4

NGSS.HS-PS4-3

For an electron to change from ground state to an excited stated it must...

• Absorb energy
• Release energy

Tags

NGSS.HS-PS1-2

When an electron moves from n=2 (energy level 2) to n=4 (energy level 4)

MULTIPLE ANSWERS: CHECK ALL CORRECT ANSWERS

• it must absorb light

• it will release light

• it will move farther from the nucleus

• it will move closer to the nucleus

The series of lines present in the visible region of the hydrogen spectrum is

• Lyman

• Balmer

• Paschen

• Brackett