Question 1

Iron-56 contains ________ neutrons.

Accepted Answer

A) 56 
B) 53 
C) 30 
D) 26 
E) 3 
A) 56 
B) 53 
C) 30 
D) 26 
E) 3

Question 2

Which element is a transition metal in period 4?

Accepted Answer

A) K 
B) Hf 
C) Sn 
D) Sc 
A) K 
B) Hf 
C) Sn 
D) Sc

Question 3

The element symbol S represents sodium.

Accepted Answer

A) True 
 B)False

Question 4

Silicon has three naturally occurring isotopes: Si-28,Si-29,and Si-30. If the average atomic mass of silicon is 28.09,which isotope has the highest isotopic abundance?

Accepted Answer

A) Si-28 
B) Si-29 
C) Si-30 
D) All isotopes have the same isotopic abundance. 
A) Si-28 
B) Si-29 
C) Si-30 
D) All isotopes have the same isotopic abundance.

Question 5

The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

Accepted Answer

A) True 
 B)False

Question 6

Which statement describing atoms is FALSE?

Accepted Answer

A) The number of protons in an atom is referred to as the atomic number of the atom. 
B) The total number of protons,neutrons,and electrons in an atom is referred to as the mass number of the atom. 
C) Protons and neutrons are located in the nucleus of an atom. 
D) Electrons are located in the space outside the nucleus called the electron cloud. 
A) The number of protons in an atom is referred to as the atomic number of the atom. 
B) The total number of protons,neutrons,and electrons in an atom is referred to as the mass number of the atom. 
C) Protons and neutrons are located in the nucleus of an atom. 
D) Electrons are located in the space outside the nucleus called the electron cloud.

Question 7

The farther a shell is from the nucleus,the larger its volume becomes,and the more electrons it can hold.

Accepted Answer

A) True 
 B)False

Question 8

Elements in the same group have the same number of ________.

Accepted Answer

A) core electrons 
B) electrons 
C) neutrons 
D) protons 
E) valence electrons 
A) core electrons 
B) electrons 
C) neutrons 
D) protons 
E) valence electrons

Question 9

The name of the halogen in period 3 is ________.

Accepted Answer

The answer of The name of the halogen in period...

Question 10

The 5s orbital is lower in energy than the 4d orbital.

Accepted Answer

A) True 
 B)False

Question 11

Which element has the smallest ionization energy?

Accepted Answer

A) K 
B) Ga 
C) Br 
D) Rb 
A) K 
B) Ga 
C) Br 
D) Rb

Question 12

Which element has the following orbital diagram?

Accepted Answer

A) Mg 
B) K 
C) Na 
D) S 
A) Mg 
B) K 
C) Na 
D) S

Question 13

Which element is a metal?

Accepted Answer

A) Li 
B) Si 
C) Cl 
D) Ar 
E) More than one of the elements is a metal. 
A) Li 
B) Si 
C) Cl 
D) Ar 
E) More than one of the elements is a metal.

Question 14

Which element is not an alkali metal?

Accepted Answer

A) Li 
B) K 
C) Rb 
D) H 
E) All of these elements are alkali metals. 
A) Li 
B) K 
C) Rb 
D) H 
E) All of these elements are alkali metals.

Question 15

Which element is a d block element?

Accepted Answer

A) S 
B) Ar 
C) Ag 
D) As 
E) None of these elements is a d block element. 
A) S 
B) Ar 
C) Ag 
D) As 
E) None of these elements is a d block element.

Iron-56 contains ________ neutrons.

Which element is a transition metal in period 4?

The element symbol S represents sodium.

Silicon has three naturally occurring isotopes: Si-28,Si-29,and Si-30. If the average atomic mass of silicon is 28.09,which isotope has the highest isotopic abundance?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

Which statement describing atoms is FALSE?

The farther a shell is from the nucleus,the larger its volume becomes,and the more electrons it can hold.

Elements in the same group have the same number of ________.

The name of the halogen in period 3 is ________.

The 5s orbital is lower in energy than the 4d orbital.

Which element has the smallest ionization energy?

Which element has the following orbital diagram?

Which element is a metal?

Which element is not an alkali metal?

Which element is a d block element?

Matter and Measurement

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters

Exam 2: Atoms and the Periodic Table

Iron-56 contains ________ neutrons.

Which element is a transition metal in period 4?

The element symbol S represents sodium.

Silicon has three naturally occurring isotopes: Si-28,Si-29,and Si-30. If the average atomic mass of silicon is 28.09,which isotope has the highest isotopic abundance?

The mass of a neutron is equal to the mass of a proton plus the mass of an electron.

Which statement describing atoms is FALSE?

The farther a shell is from the nucleus,the larger its volume becomes,and the more electrons it can hold.

Elements in the same group have the same number of ________.

The name of the halogen in period 3 is ________.

The 5s orbital is lower in energy than the 4d orbital.

Which element has the smallest ionization energy?

Which element has the following orbital diagram?

Which element is a metal?

Which element is not an alkali metal?

Which element is a d block element?

Matter and Measurement

Ionic Compounds

Covalent Compounds

Chemical Reactions

Energy Changes,reaction Rates,and Equilibrium

Gases,liquids,and Solids

Solutions

Acids and Bases

Nuclear Chemistry

Introduction to Organic Molecules and Functional Groups

Alkanes

Unsaturated Hydrocarbons

Organic Compounds That Contain Oxygen,halogen,or Sulfur

The Three-Dimensional Shape of Molecules

Aldehydes and Ketones

Carboxylic Acids,esters,and Amides

Amines and Neurotransmitters

Lipids

Carbohydrates

Amino Acids,proteins,and Enzymes

Nucleic Acids and Protein Synthesis

Metabolism and Energy Production

Carbohydrate,lipid,and Protein Metabolism

Filters