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Line Spectra/Flame Test Quiz

Authored by Jesse Simpson

Chemistry

9th - 12th Grade

NGSS covered

Used 72+ times

Line Spectra/Flame Test Quiz
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20 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What evidence did you observe that proves that elements give off their own unique color spectrum?

All of the gas tubes produced a full spectrum. (A rainbow.)

When we looked at white light through a prism, we saw the rainbow.

Each gas tube gave off its own unique color and color spectrum when we looked at the light through the spectroscope. None of them were the exact same.

Each gas tube gave off the same color and color spectrum when we looked at the light through a spectroscope.

Tags

NGSS.HS-PS4-3

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What color did the copper solution burn and how many electrons does copper have?

Blue and 29 electrons

Yellow and 64 electrons

Green and 64 electrons

Green and 29 electrons

Tags

NGSS.HS-PS1-1

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What part of the atom gains energy from the flame and then loses it in the form of light?

Proton

Neutron

Nucleus

Electrons

Tags

NGSS.HS-PS1-2

NGSS.HS-PS4-3

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Regardless of how hot the flame is, when a metal ion is placed in a flame, it always give off the same color light. Why?

The number of protons is still the same, so the same number of electrons get excited and fall back to the ground state the same way and give off the same color every time.

The number of electrons is still the same, so the same number of electrons get excited and fall back to the ground state the same way and give off the same color every time.

The number of neutrons is still the same, so the same number of electrons get excited and fall back to the ground state the same way and give off the same color every time.

The number of ions is still the same, so the same number of electrons get excited and fall back to the ground state the same way and give off the same color every time.

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What evidence indicates that electrons move around the nucleus in definite pathways?

None of the elements emitted a full color spectrum, but rather only certain frequencies of the spectrum were given off. Since some of the spectrum is missing, this means the electrons can only emit frequencies at the fixed energy levels and not in between.

None of the elements emitted a full color spectrum, but rather only certain frequencies of the spectrum were given off. Since some of the spectrum is missing, this means the electrons can emit frequencies of light in between the energy levels.

All of the elements emitted a full color spectrum. (The Rainbow.)

Tags

NGSS.HS-PS4-3

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How can scientists use the color spectrum of individual elements to help determine the composition of stars in our galaxy?

Since each element has its own unique line spectra, it is possible to use a spectrometer to examine the light being emitted by the stars to determine what elements are present?

Since each element does not have its own unique color spectrum, it is impossible to determine what elements make up our start.

Since the stars are so far away, the light we would be studying can not be trusted to determine their composition.

Tags

NGSS.HS-ESS1-2

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The common isotopes of uranium have masses of 238 amu, 235 amu, and 234 amu. The average atomic mass of hydrogen is 238.029 amu. This shows that the most common isotope has a mass of

238 amu

235 amu

234 amu

235.6 amu

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