Atomic Absorption Spectroscopy

When talking about energy levels in an atom, what is an "excited state"?

• The highest energy state of an atom.

• Any level higher than the ground state.

• The lowest energy state of an atom.

• When an atom loses an electron

Tags

NGSS.HS-PS1-4

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

• Absorb energy
• Release energy

Tags

NGSS.HS-PS1-4

NGSS.HS-PS4-3

The ground state is the highest energy state of an atom.

• True
• False

Which type of spectrum is this?

• Emission Spectrum

• Absorption Spectrum

• Continuous Spectrum

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

Why are line emission spectra of elements called "atomic fingerprints"?

• They are all the same
• They are all unique
• They are all similar
• They all contain colored light

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

NGSS.HS-PS4-3

A lab sample of gas is shown at the top. Which of these would be present in the sample?

• Beryllium
• Manganese
• Strontium
• Titanium

Tags

NGSS.HS-PS1-1

_________ can separate light into its component wavelengths.

• A prism
• A mirror
• A star
• A black hole

Tags

NGSS.HS-PS4-1

What is the hollow cathode lamp used in AAS made of?

• Glass.

• The same element in the sample being tested.

• A different element than the one being tested in the sample.

• None of the above.

Which is the correct order of AAS?

• Lamp, prism, vapour, photomultiplier

• Lamp, vapour, photomultiplier, prism

• Photomultiplier, prism, vapour, lamp

• Lamp, vapour, prism, photomultiplier

What type of result can AAS produce?

• Qualitative

• Quantitative

• Neither

• Both

Tags

NGSS.HS-ETS1-3