Question 1

Which of the following is not a fundamental component of the atom?

Accepted Answer

A)  proton 
B)  neutron 
C)  ion 
D)  electron 
A)  proton 
B)  neutron 
C)  ion 
D)  electron

Question 2

The neutral carbon atom consists of

Accepted Answer

A)  one proton and one neutron. 
B)  six protons. 
C)  one proton, one neutron, and one electron. 
D)  six protons and six electrons. 
E)  an isotope and an ion. 
A)  one proton and one neutron. 
B)  six protons. 
C)  one proton, one neutron, and one electron. 
D)  six protons and six electrons. 
E)  an isotope and an ion.

Question 3

When the electrons in an atom are in their lowest possible energy levels, the atom is said to be in its ____________________ state.

Accepted Answer

The answer of When the electrons in an atom are...

Question 4

In the above model of an atom, where is the neutron located, assuming a neutron is present?

Accepted Answer

A)  A 
B)  1 
C)  2 
D)  3 
A)  A 
B)  1 
C)  2 
D)  3

Question 5

The most massive part of the atom is(are) the ____ which has(have) a ____ charge.

Accepted Answer

A)  electrons; negative 
B)  nucleus; negative 
C)  electrons; positive 
D)  nucleus; positive 
A)  electrons; negative 
B)  nucleus; negative 
C)  electrons; positive 
D)  nucleus; positive

Question 6

The Lyman series lines of hydrogen all lie in the infrared.

Accepted Answer

A) True 
 B)False

Question 7

The H δ  line has a wavelength of 410.2 nm when observed in the laboratory. If the H δ  line appears in a stars spectrum at 410.0 nm, what is the radial velocity of the star?

Accepted Answer

A)  146 km/s away from the observer 
B)  146 km/s toward the observer 
C)  6.0 × 107 m/s away from the observer 
D)  6.0 × 107 m/s toward the observer 
E)  The radial velocity of the star cannot be determined from this information. 
A)  146 km/s away from the observer 
B)  146 km/s toward the observer 
C)  6.0 × 107 m/s away from the observer 
D)  6.0 × 107 m/s toward the observer 
E)  The radial velocity of the star cannot be determined from this information.

Question 8

To create the above spectra, which of the following is NOT true?

Accepted Answer

A)  A dense gas is excited and the light produced is over all wavelengths. 
B)  A low-density gas is excited and the light produced is over discrete wavelengths. 
C)  Light from a low-density gas passes through a warm, dense gas and the light that is produced is at all wavelengths except for a few discrete wavelengths. 
D)  All of the other choices are not true. 
A)  A dense gas is excited and the light produced is over all wavelengths. 
B)  A low-density gas is excited and the light produced is over discrete wavelengths. 
C)  Light from a low-density gas passes through a warm, dense gas and the light that is produced is at all wavelengths except for a few discrete wavelengths. 
D)  All of the other choices are not true.

Question 9

Which series is shown above?

Accepted Answer

A)  Lyman 
B)  Paschen 
C)  Balmer 
D)  None of the other choices are correct. 
A)  Lyman 
B)  Paschen 
C)  Balmer 
D)  None of the other choices are correct.

Question 10

Electrons in an atom are attracted to the nucleus by the _______________ force.

Accepted Answer

The answer of Electrons in an atom are attracted to...

Question 11

A zero Kelvin temperature is also known as ________________________.

Accepted Answer

The answer of A zero Kelvin temperature is also known...

Question 12

Diagram 6-1  
In Diagram 6-1, which of the transitions would absorb a photon with the smallest energy?

Accepted Answer

A)  Transition 1 
B)  Transition 2 
C)  Transition 3 
D)  Transition 4 
E)  Transition 5 
A)  Transition 1 
B)  Transition 2 
C)  Transition 3 
D)  Transition 4 
E)  Transition 5

Question 13

An atom gained an electron. Therefore it is now called an ion.

Accepted Answer

A) True 
 B)False

Question 14

The H γ  line has a wavelength of 434.0 nm when observed in the laboratory. If the H γ  line appears in a stars spectrum at 434.5 nm, what is the radial velocity of the star?

Accepted Answer

A)  346 km/s away from the observer 
B)  346 km/s toward the observer 
C)  1.3 × 108 m/s away from the observer 
D)  1.3 × 108 m/s toward the observer 
E)  The radial velocity of the star cannot be determined from this information. 
A)  346 km/s away from the observer 
B)  346 km/s toward the observer 
C)  1.3 × 108 m/s away from the observer 
D)  1.3 × 108 m/s toward the observer 
E)  The radial velocity of the star cannot be determined from this information.

Question 15

One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?

Accepted Answer

A)  5 times 
B)  25 times 
C)  8.1 × 1017 times 
D)  625 times 
E)  1.3 × 1015 times 
A)  5 times 
B)  25 times 
C)  8.1 × 1017 times 
D)  625 times 
E)  1.3 × 1015 times

Question 16

A hotter star is brighter than a cooler star of the same size. Assume both are typical stars.

Accepted Answer

A) True 
 B)False

Question 17

A(n) ____ contains two or more atoms that are bound together by exchanging or sharing electrons with each other.

Accepted Answer

A)  nucleus 
B)  ion 
C)  proton 
D)  electron cloud 
E)  molecule 
A)  nucleus 
B)  ion 
C)  proton 
D)  electron cloud 
E)  molecule

Question 18

Since an electron is so less massive than a proton, what is the approximate mass and charge of a neutral hydrogen atom?

Accepted Answer

A)  the mass of an electron, negative 
B)  the mass of a proton, neutral 
C)  the mass of a neutron, positive 
D)  the mass of a proton and neutron, positive 
A)  the mass of an electron, negative 
B)  the mass of a proton, neutral 
C)  the mass of a neutron, positive 
D)  the mass of a proton and neutron, positive

Question 19

The neutral hydrogen atom consists of

Accepted Answer

A)  one proton and one neutron. 
B)  one proton. 
C)  one proton, one neutron, and one electron. 
D)  one proton and one electron. 
E)  an isotope and an ion. 
A)  one proton and one neutron. 
B)  one proton. 
C)  one proton, one neutron, and one electron. 
D)  one proton and one electron. 
E)  an isotope and an ion.

Question 20

Isotopes of the same element have the same number of protons.

Accepted Answer

A) True 
 B)False

Which of the following is not a fundamental component of the atom?

The neutral carbon atom consists of

When the electrons in an atom are in their lowest possible energy levels, the atom is said to be in its ____________________ state.

In the above model of an atom, where is the neutron located, assuming a neutron is present?

The most massive part of the atom is(are) the which has(have) a charge.

The Lyman series lines of hydrogen all lie in the infrared.

The H_δ line has a wavelength of 410.2 nm when observed in the laboratory. If the H_δ line appears in a stars spectrum at 410.0 nm, what is the radial velocity of the star?

To create the above spectra, which of the following is NOT true?

Which series is shown above?

Electrons in an atom are attracted to the nucleus by the _______________ force.

A zero Kelvin temperature is also known as ________________________.

Diagram 6-1 In Diagram 6-1, which of the transitions would absorb a photon with the smallest energy?

An atom gained an electron. Therefore it is now called an ion.

The H_γ line has a wavelength of 434.0 nm when observed in the laboratory. If the H_γ line appears in a stars spectrum at 434.5 nm, what is the radial velocity of the star?

One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?

A hotter star is brighter than a cooler star of the same size. Assume both are typical stars.

A(n) ____ contains two or more atoms that are bound together by exchanging or sharing electrons with each other.

Since an electron is so less massive than a proton, what is the approximate mass and charge of a neutral hydrogen atom?

The neutral hydrogen atom consists of

Isotopes of the same element have the same number of protons.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

Exam 6: Atoms and Spectra

Which of the following is not a fundamental component of the atom?

The neutral carbon atom consists of

When the electrons in an atom are in their lowest possible energy levels, the atom is said to be in its ____________________ state.

In the above model of an atom, where is the neutron located, assuming a neutron is present?

The most massive part of the atom is(are) the ____ which has(have) a ____ charge.

The Lyman series lines of hydrogen all lie in the infrared.

The H δ line has a wavelength of 410.2 nm when observed in the laboratory. If the H δ line appears in a stars spectrum at 410.0 nm, what is the radial velocity of the star?

To create the above spectra, which of the following is NOT true?

Which series is shown above?

Electrons in an atom are attracted to the nucleus by the _______________ force.

A zero Kelvin temperature is also known as ________________________.

Diagram 6-1 In Diagram 6-1, which of the transitions would absorb a photon with the smallest energy?

An atom gained an electron. Therefore it is now called an ion.

The H γ line has a wavelength of 434.0 nm when observed in the laboratory. If the H γ line appears in a stars spectrum at 434.5 nm, what is the radial velocity of the star?

One star has a temperature of 30,000 K and another star has a temperature of 6,000 K. Compared to the cooler star, how much more energy per second will the hotter star radiate from each square meter of its surface?

A hotter star is brighter than a cooler star of the same size. Assume both are typical stars.

A(n) ____ contains two or more atoms that are bound together by exchanging or sharing electrons with each other.

Since an electron is so less massive than a proton, what is the approximate mass and charge of a neutral hydrogen atom?

The neutral hydrogen atom consists of

Isotopes of the same element have the same number of protons.

Here and Now

A Users Guide to the Sky

Cycles of the Sun and Moon

The Origin of Modern Astronomy

Light and Telescopes

The Sun

The Family of Stars

The Formation and Structure of Stars

The Deaths of Stars

Neutron Stars and Black Holes

The Milky Way Galaxy

Galaxies: Normal and Active

Modern Cosmology

Origin of the Solar System and Extrasolar Planets

Earth and Moon: Bases for Comparative Planetology

Mercury, Venus, and Mars

The Outer Solar System

Meteorites, Asteroids, and Comets

Astrobiology: Life on Other Worlds

Filters

The most massive part of the atom is(are) the which has(have) a charge.

The H_δ line has a wavelength of 410.2 nm when observed in the laboratory. If the H_δ line appears in a stars spectrum at 410.0 nm, what is the radial velocity of the star?

The H_γ line has a wavelength of 434.0 nm when observed in the laboratory. If the H_γ line appears in a stars spectrum at 434.5 nm, what is the radial velocity of the star?