Atomic Spectra and Bohr's Model

The line with the shortest wavelength is produced in the hydrogen spectrum when electron moves

• from n=2 to n=1

• rom n=4 to n=1

• from n=3 to n=1

• from n=4 to n=3

Tags

NGSS.HS-PS4-1

State whether true or false.

Every element has its own unique atomic spectra.

• True

• False

Tags

NGSS.HS-PS4-3

Emission lines create ............... spectral lines on a visible light spectra due to the electrons moving into their ........... state.

Tags

NGSS.HS-PS4-3

NGSS.HS-PS1-2

What subatomic particle is responsible for the spectral lines seen in emission spectra diagrams?

• electrons

• protons

• neutrons

Tags

NGSS.HS-PS1-2

In order to go from ground state to an excited state, an electron must

• emit energy

• absorb energy

• wiggle

Tags

NGSS.HS-PS1-4

When an electron returns to ground state from an excited state, the atom will

• emit energy

• absorb energy

• rotate

• wiggle

Tags

NGSS.HS-PS1-2

If an electron moves from n=4 to n=2 it ____

• absorbs energy

• releases energy

Tags

NGSS.HS-PS1-4

In which state does an electron have the least amount of energy?

• Excited state

• Ground state

• Orbital

• Bohr model

Line emission spectrum shown below happens when

• Electron transition from lower to higher energy level.
• Electron transition from higher to lower energy level.
• Electron exist in fixed energy states
• Electron transition between different energy levels.

Which element(s) is/are found in the star's spectra below?

• Hydrogen only

• Hydrogen & Helium

• Calcium only

• Hydrogen & Calcium

Tags

NGSS.HS-ESS1-2

NGSS.HS-ESS1-3