Question 1

The electron binding energy is stronger when

Accepted Answer

A)  there are more protons and the electron is closer to the nucleus
B)  there are fewer protons and the electron is closer to the nucleus
C)  there are fewer protons and the electron is farther from the nucleus
D)  there are more protons and the electron is farther from the nucleusE) A) and C)
F) A) and B)

Question 2

In the middle of the periodic table of elements there are elements that don't fit exactly into one of the eight groups.

Accepted Answer

A) True 
 B)False

Question 3

The force that holds the protons and neutrons together in the nucleus is the

Accepted Answer

A)  nuclear binding energy
B)  electron binding energy
C)  atomic energy
D)  proton/neutron energyE) B) and C)
F) A) and D)

Question 4

The outermost shell of an atom can hold fewer than 8 electrons.

Accepted Answer

A) True 
 B)False

Question 5

Each element has an unchanging number of protons.

Accepted Answer

A) True 
 B)False

Question 6

Except for the K shell,the maximum number of electrons that can be in the outermost shell of an atom is

Accepted Answer

A)  4
B)  8
C)  16
D)  32E) None of the above
F) B) and C)

Question 7

Atoms with the same number of neutrons but different number of protons are

Accepted Answer

A)  isotopes
B)  isotones
C)  isobars
D)  isomersE) B) and D)
F) B) and C)

Question 8

The mass of an atom is primarily due to the mass of the

Accepted Answer

A)  neutrons
B)  nucleus
C)  electrons
D)  protonsE) A) and B)
F) None of the above

Question 9

An ionic bond results in an electrically charged molecule or compound.

Accepted Answer

A) True 
 B)False

Question 10

Atoms with the same atomic number and atomic mass number but have different energy within their nuclei are

Accepted Answer

A)  isotopes
B)  isotones
C)  isobars
D)  isomersE) A) and D)
F) B) and C)

Question 11

If an atom has more protons than electrons it will

Accepted Answer

A)  have a negative charge
B)  have a positive charge
C)  be electrically neutral
D)  have neither a positive nor negative chargeE) B) and D)
F) B) and C)

Question 12

The electron binding energy depends on

Accepted Answer

A)  how close it is to the nucleus
B)  how many neutrons there are in the nucleus
C)  how many protons there are in the nucleus
D)  A and B
E)  A and CF) D) and E)
G) A) and B)

Question 13

Atoms with the same number of protons but different number of neutrons are

Accepted Answer

A)  isotopes
B)  isotones
C)  isobars
D)  isomersE) None of the above
F) A) and B)

Question 14

Atoms in each period have the same number of

Accepted Answer

A)  electrons in the outermost shell
B)  atomic mass number
C)  electrons
D)  electron shellsE) A) and D)
F) B) and C)

Question 15

Electron shells are the hard coating around the electron.

Accepted Answer

A) True 
 B)False

Question 16

The atomic nucleus contains

Accepted Answer

A)  protons and neutrons
B)  protons and electrons
C)  electrons and neutrons
D)  all of the aboveE) B) and D)
F) C) and D)

Question 17

If a particle strikes a nucleus with the same amount of energy as the atom's nuclear binding energy

Accepted Answer

A)  the atom will become a positive ion
B)  the atom will become a negative ion
C)  it can split the atom
D)  it can fuse the atomE) A) and B)
F) All of the above

Question 18

A negative ion is

Accepted Answer

A)  an electron
B)  an atom with more protons than electrons
C)  an atom with more neutrons that electrons
D)  an atom with more electrons than protonsE) A) and B)
F) All of the above

Question 19

The component of the nucleus that has mass but no electrical charge is the

Accepted Answer

A)  electron
B)  neutron
C)  proton
D)  none of the aboveE) B) and D)
F) A) and C)

Question 20

The three fundamental particles of the atom are the

Accepted Answer

A)  element,nucleus,and electron
B)  electron,nucleus,and proton
C)  neutron,electron,and proton
D)  nucleus,proton,and neutronE) B) and C)
F) A) and B)

Exam 2: Structure of the Atom

The force that holds the protons and neutrons together in the nucleus is the

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Except for the K shell,the maximum number of electrons that can be in the outermost shell of an atom is

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Electron shells are the hard coating around the electron.

Correct AnswerverifiedShow Answer

The electron binding energy depends on

Correct AnswerverifiedShow Answer

Atoms with the same number of protons but different number of neutrons are

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The component of the nucleus that has mass but no electrical charge is the

Correct AnswerverifiedShow Answer

A negative ion is

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If a particle strikes a nucleus with the same amount of energy as the atom's nuclear binding energy

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Atoms in each period have the same number of

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Atoms with the same number of neutrons but different number of protons are

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An ionic bond results in an electrically charged molecule or compound.

Correct AnswerverifiedShow Answer

The electron binding energy is stronger when

Correct AnswerverifiedShow Answer

The mass of an atom is primarily due to the mass of the

Correct AnswerverifiedShow Answer

In the middle of the periodic table of elements there are elements that don't fit exactly into one of the eight groups.

Correct AnswerverifiedShow Answer

If an atom has more protons than electrons it will

Correct AnswerverifiedShow Answer

The three fundamental particles of the atom are the

Correct AnswerverifiedShow Answer

The atomic nucleus contains

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The outermost shell of an atom can hold fewer than 8 electrons.

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Each element has an unchanging number of protons.

Correct AnswerverifiedShow Answer

Atoms with the same atomic number and atomic mass number but have different energy within their nuclei are

Correct AnswerverifiedShow Answer

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