Question 1

Which statement concerning the elements fluorine, chlorine, bromine, and iodine is FALSE?

Accepted Answer

A)  They are all halogens.
B)  They all have the same electron configuration.
C)  They are all nonmetals.
D)  They are all representative elements.
E)  They all have the same number of valence electrons.F) B) and D)
G) B) and E)

Question 2

Where are the halogens located on the periodic table?

Accepted Answer

A)  representative elements
B)  transition metals
C)  Group VIIA (17) 
D)  Group IIA (2) 
E)  Group IIIA (3) F) A) and D)
G) A) and E)

Question 3

How many orbitals are there in the second principal energy level?

Accepted Answer

A)  2
B)  3
C)  1
D)  0
E)  4F) A) and E)
G) A) and D)

Question 4

The last period in the periodic table is incomplete.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following elements is a metalloid?

Accepted Answer

A)  C
B)  Ge
C)  Pb
D)  N
E)  PF) B) and E)
G) B) and D)

Question 6

The element carbon forms the basis of study in Organic Chemistry.Which statement about the element carbon is FALSE?

Accepted Answer

A)  Carbon is a period 2 element.
B)  Carbon is a group 4 element.
C)  Carbon is a nonmetal.
D)  Carbon atoms have six valence electrons.
E)  Carbon atoms have six protons.F) C) and E)
G) A) and C)

Question 7

When is an atom in its ground state?

Accepted Answer

A)  when the electrons of the atom are in the lowest possible energy levels
B)  when an atom loses all of its electrons to form a noble gas
C)  when the electrons of the atom are in the highest possible energy levels
D)  when an electron is promoted to a higher energy level, farther from the nucleus
E)  when the electrons of an atom spontaneously emit energy in the form of a photonF) A) and B)
G) A) and D)

Question 8

Rutherford's experiment, in which alpha particles were aimed at a thin piece of gold, led to what understanding?

Accepted Answer

A)  Neutrons existed.
B)  Electrons existed and have a negative charge.
C)  The number of electrons can be determined by the mass number and atomic number.
D)  Electrons can be promoted to higher energy by absorbing energy.
E)  An atom is mostly empty space.F) B) and D)
G) B) and E)

Question 9

The identity of an atom is determined by which of the following?

Accepted Answer

A)  the number of electrons it contains
B)  its mass number
C)  the number of isotopes it has
D)  the number of protons it contains
E)  the number of protons and neutrons it containsF) B) and D)
G) A) and B) D

Question 10

Which of the following elements has the lowest ionization energy?

Accepted Answer

A)  Li
B)  B
C)  O
D)  F
E)  NeF) B) and E)
G) B) and D) A

Question 11

How many neutrons are present in an atom of the isotope  ?

Accepted Answer

A)  3
B)  4
C)  7
D)  10
E)  None of the choices are correct.F) A) and B)
G) A) and C)

Question 12

Atoms with the biggest radii occur in the _______ region of the periodic table.

Accepted Answer

A)  bottom left
B)  top right
C)  bottom right
D)  top left
E)  middleF) C) and D)
G) All of the above

Question 13

The atoms of smallest radius are those of elements in the top left hand part of the periodic table.

Accepted Answer

A) True 
 B)False

Question 14

Which of the following elements has the highest ionization energy?

Accepted Answer

A)  Li
B)  B
C)  O
D)  F
E)  HeF) D) and E)
G) A) and E)

Question 15

How many orbitals are in an s sublevel? How many in a p sublevel?

Accepted Answer

A)  s: 1, p: 2
B)  s: 2, p: 3
C)  s: 1, p: 3
D)  s: 2, p: 6
E)  s: 3, p: 3F) B) and D)
G) None of the above

Question 16

Microwaves, light, and X-rays are all forms of

Accepted Answer

A)  electricity.
B)  high energy electrons.
C)  electron repulsion.
D)  electromagnetic radiation.
E)  radioactivity.F) A) and E)
G) A) and C)

Question 17

What is the lowest energy sublevel of a principal level?

Accepted Answer

A)  d
B)  e
C)  f
D)  s
E)  pF) A) and E)
G) A) and C)

Question 18

In Mendeleev's table of the elements, the elements were arranged according to

Accepted Answer

A)  atomic number.
B)  mass number.
C)  atomic mass.
D)  neutron number.
E)  density.F) A) and B)
G) C) and E)

Question 19

How many sublevels are there in the third principal energy level?

Accepted Answer

A)  3
B)  2
C)  1
D)  0
E)  4F) B) and C)
G) A) and E)

Question 20

Arsenic (As) is a metalloid.

Accepted Answer

A) True 
 B)False  True

Exam 2: The Structure of the Atom and the Periodic Table

Which statement concerning the elements fluorine, chlorine, bromine, and iodine is FALSE?

Correct AnswerverifiedShow Answer

Where are the halogens located on the periodic table?

Correct AnswerverifiedShow Answer

How many orbitals are there in the second principal energy level?

Correct AnswerverifiedShow Answer

The last period in the periodic table is incomplete.

Correct AnswerverifiedShow Answer

Which of the following elements is a metalloid?

Correct AnswerverifiedShow Answer

The element carbon forms the basis of study in Organic Chemistry.Which statement about the element carbon is FALSE?

Correct AnswerverifiedShow Answer

When is an atom in its ground state?

Correct AnswerverifiedShow Answer

Rutherford's experiment, in which alpha particles were aimed at a thin piece of gold, led to what understanding?

Correct AnswerverifiedShow Answer

The identity of an atom is determined by which of the following?

Correct AnswerverifiedD

Which of the following elements has the lowest ionization energy?

Correct AnswerverifiedA

How many neutrons are present in an atom of the isotope ?

Correct AnswerverifiedShow Answer

Atoms with the biggest radii occur in the _______ region of the periodic table.

Correct AnswerverifiedShow Answer

The atoms of smallest radius are those of elements in the top left hand part of the periodic table.

Correct AnswerverifiedShow Answer

Which of the following elements has the highest ionization energy?

Correct AnswerverifiedShow Answer

How many orbitals are in an s sublevel? How many in a p sublevel?

Correct AnswerverifiedShow Answer

Microwaves, light, and X-rays are all forms of

Correct AnswerverifiedShow Answer

What is the lowest energy sublevel of a principal level?

Correct AnswerverifiedShow Answer

In Mendeleev's table of the elements, the elements were arranged according to

Correct AnswerverifiedShow Answer

How many sublevels are there in the third principal energy level?

Correct AnswerverifiedShow Answer

Arsenic (As) is a metalloid.

Correct AnswerverifiedTrue

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