Question 1

Explain how the structure of the atom creates binding energy, and what limits there are on the amount of binding energy an electron can have.

Accepted Answer

The Coulomb force is an attractive force

Question 2

The lowest permitted energy level of an atom is called the neutral state.

Accepted Answer

A) True 
 B)False

Question 3

If a neutral atom gains or loses an electron, it  ___________.

Accepted Answer

A)  becomes an isotope 
B)  is at absolute zero 
C)  is excited 
D)  is ionized 
E)  is in the ground state 
A)  becomes an isotope 
B)  is at absolute zero 
C)  is excited 
D)  is ionized 
E)  is in the ground state

Question 4

If the photons from blackbody radiation pass through a cool gas, a(n) ____ spectrum is produced.

Accepted Answer

A)  absorption 
B)  emission 
C)  continuous 
D)  Doppler 
E)  ionization 
A)  absorption 
B)  emission 
C)  continuous 
D)  Doppler 
E)  ionization

Question 5

An astronomer records the spectrum of light coming from a distant star. Describe what information the astronomer can deduce from this stellar spectrum, and what physical principles she would apply.

Accepted Answer

The spectrum of light from a star will b

Question 6

Atoms that have the same number of protons but a different number of neutrons are called ____.

Accepted Answer

A)  ions 
B)  elements 
C)  isotopes 
D)  molecules 
E)  nucleons 
A)  ions 
B)  elements 
C)  isotopes 
D)  molecules 
E)  nucleons

Question 7

A hot object that is glowing orange will become redder as it cools.

Accepted Answer

A) True 
 B)False

Question 8

The force between charged particles is called the _________ force.

Accepted Answer

Coulomb,co

Question 9

During the first year of its operation, only 20% of the projects scheduled for the Hubble Space Telescope involved taking images and pictures of celestial objects. The remaining 80% of the telescope's time was devoted to observing the spectrum of celestial objects. 
Why do astronomers place such a high emphasis on looking at the spectrum of a celestial object rather than an image? Explain.

Accepted Answer

Some important information about the sha

Question 10

A continuous spectrum is created by a hot ionized gas.

Accepted Answer

A) True 
 B)False

Question 11

The photons coming from blackbody radiation create a(n) ____ spectrum.

Accepted Answer

A)  absorption 
B)  emission 
C)  Doppler 
D)  continuous 
E)  ionization 
A)  absorption 
B)  emission 
C)  Doppler 
D)  continuous 
E)  ionization

Question 12

The amount of energy needed to pull an electron completely away from the nucleus is called the Coulomb energy.

Accepted Answer

A) True 
 B)False

Question 13

A shift in the position of an emission line of an element toward the red or blue is produced by ____.

Accepted Answer

A)  atoms that become ionized 
B)  electrons that transfer from a high energy level to a low energy level 
C)  electrons that transfer from a low energy level to a high energy level 
D)  the intensity of agitation of atoms in a hot gas 
E)  the motion of an object toward or away from the observer 
A)  atoms that become ionized 
B)  electrons that transfer from a high energy level to a low energy level 
C)  electrons that transfer from a low energy level to a high energy level 
D)  the intensity of agitation of atoms in a hot gas 
E)  the motion of an object toward or away from the observer

Question 14

If you move an electron from the ground state to a higher energy level, the atom becomes an excited atom.

Accepted Answer

A) True 
 B)False

Question 15

An atom that has gained one or more electrons is called an isotope.

Accepted Answer

A) True 
 B)False

Question 16

As a blackbody becomes hotter it will radiate ____.

Accepted Answer

A)  less energy, at a longer wavelength of maximum intensity 
B)  less energy, at a shorter wavelength of maximum intensity 
C)  more energy, at a longer wavelength of maximum intensity 
D)  more energy, at a shorter wavelength of maximum intensity 
E)  more energy, at a constant wavelength of maximum intensity 
A)  less energy, at a longer wavelength of maximum intensity 
B)  less energy, at a shorter wavelength of maximum intensity 
C)  more energy, at a longer wavelength of maximum intensity 
D)  more energy, at a shorter wavelength of maximum intensity 
E)  more energy, at a constant wavelength of maximum intensity

Question 17

The agitation of atoms in a hot body creates a continuous spectrum of radiation.

Accepted Answer

A) True 
 B)False

Question 18

What process in an isolated atom will make it absorb a photon?

Accepted Answer

An electron will move from one energy le

Explain how the structure of the atom creates binding energy, and what limits there are on the amount of binding energy an electron can have.

The lowest permitted energy level of an atom is called the neutral state.

If a neutral atom gains or loses an electron, it ___________.

If the photons from blackbody radiation pass through a cool gas, a(n) ____ spectrum is produced.

An astronomer records the spectrum of light coming from a distant star. Describe what information the astronomer can deduce from this stellar spectrum, and what physical principles she would apply.

Atoms that have the same number of protons but a different number of neutrons are called ____.

A hot object that is glowing orange will become redder as it cools.

The force between charged particles is called the _________ force.

A continuous spectrum is created by a hot ionized gas.

The photons coming from blackbody radiation create a(n) ____ spectrum.

The amount of energy needed to pull an electron completely away from the nucleus is called the Coulomb energy.

A shift in the position of an emission line of an element toward the red or blue is produced by ____.

If you move an electron from the ground state to a higher energy level, the atom becomes an excited atom.

An atom that has gained one or more electrons is called an isotope.

As a blackbody becomes hotter it will radiate ____.

The agitation of atoms in a hot body creates a continuous spectrum of radiation.

What process in an isolated atom will make it absorb a photon?

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A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

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Exam 7: Atoms and Spectra

Explain how the structure of the atom creates binding energy, and what limits there are on the amount of binding energy an electron can have.

The lowest permitted energy level of an atom is called the neutral state.

If a neutral atom gains or loses an electron, it ___________.

If the photons from blackbody radiation pass through a cool gas, a(n) ____ spectrum is produced.

An astronomer records the spectrum of light coming from a distant star. Describe what information the astronomer can deduce from this stellar spectrum, and what physical principles she would apply.

Atoms that have the same number of protons but a different number of neutrons are called ____.

A hot object that is glowing orange will become redder as it cools.

The force between charged particles is called the _________ force.

A continuous spectrum is created by a hot ionized gas.

The photons coming from blackbody radiation create a(n) ____ spectrum.

The amount of energy needed to pull an electron completely away from the nucleus is called the Coulomb energy.

A shift in the position of an emission line of an element toward the red or blue is produced by ____.

If you move an electron from the ground state to a higher energy level, the atom becomes an excited atom.

An atom that has gained one or more electrons is called an isotope.

As a blackbody becomes hotter it will radiate ____.

The agitation of atoms in a hot body creates a continuous spectrum of radiation.

What process in an isolated atom will make it absorb a photon?

Here and Now

A User S Guide to the Sky

Moon Phases and Eclipses

Origins of Modern Astronomy

Gravity

Light and Telescopes

The Sun

Origin of the Solar System and Extrasolar Planets

Earth the Active Planet

The Moon and Mercury: Comparing Airless Worlds

Venus and Mars

Jupiter and Saturn

Uranus Neptune Pluto and the Kuiper Belt

Meteorites Asteroids and Comets

Astrobiology: Life on Other Worlds

Filters