Question 1

Which of the following elements has the lowest ionization energy?

Accepted Answer

A) Li 
B) B 
C) O 
D) F 
E) Ne 
A) Li 
B) B 
C) O 
D) F 
E) Ne A

Question 2

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 contains 
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 contains D

Question 3

Arsenic (As) is a metalloid.

Accepted Answer

A) True 
 B)False  True

Question 4

Which of the following elements has the highest ionization energy?

Accepted Answer

A) Li 
B) B 
C) O 
D) F 
E) He 
A) Li 
B) B 
C) O 
D) F 
E) He

Question 5

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

Question 6

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 7

Which of the following elements is a metalloid?

Accepted Answer

A) C 
B) Ge 
C) Pb 
D) N 
E) P 
A) C 
B) Ge 
C) Pb 
D) N 
E) P

Question 8

The last period in the periodic table is incomplete.

Accepted Answer

A) True 
 B)False

Question 9

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 photon 
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 photon

Question 10

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

Question 11

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. 
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.

Question 12

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. 
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.

Question 13

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

Question 14

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) middle 
A) bottom left 
B) top right 
C) bottom right 
D) top left 
E) middle

Question 15

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

Accepted Answer

A) 3 
B) 2 
C) 1 
D) 0 
E) 4 
A) 3 
B) 2 
C) 1 
D) 0 
E) 4

Question 16

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

Accepted Answer

A) 2 
B) 3 
C) 1 
D) 0 
E) 4 
A) 2 
B) 3 
C) 1 
D) 0 
E) 4

Question 17

What is the lowest energy sublevel of a principal level?

Accepted Answer

A) d 
B) e 
C) f 
D) s 
E) p 
A) d 
B) e 
C) f 
D) s 
E) p

Question 18

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

Question 19

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: 3 
A) s: 1, p: 2 
B) s: 2, p: 3 
C) s: 1, p: 3 
D) s: 2, p: 6 
E) s: 3, p: 3

Question 20

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. 
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.

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

Which of the following elements has the lowest ionization energy?

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

Arsenic (As) is a metalloid.

Which of the following elements has the highest ionization energy?

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

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

Which of the following elements is a metalloid?

The last period in the periodic table is incomplete.

When is an atom in its ground state?

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

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

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

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

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

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

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

What is the lowest energy sublevel of a principal level?

Where are the halogens located on the periodic table?

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

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

Chemistry:methods and Measurement

Structure and Properties of Ionic and Covalent Compounds

Calculations, Chemical Changes, and the Chemical Equation

States of Matter- Gases, Liquids, and Solids

Solutions

Energy, Rate and Equilibrium

Acids and Bases

The Nucleus, Radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry- the Saturated Hydrocarbons

The Unsaturated Hydrocarbons- Alkenes, Alkynes, and Aromatics

Alcohols, Phenols, Thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Introduction to Molecular Genetics

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

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