Question 1

The proper electron-dot symbol for aluminum is ________.

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)    A

Question 2

What is the Period and Group for the element Bromine?

Accepted Answer

A) Period 4,Group 7A 
B) Period 7,Group 4A 
C) Period 2,Group 3A 
D) Period 6,Group 2A 
A) Period 4,Group 7A 
B) Period 7,Group 4A 
C) Period 2,Group 3A 
D) Period 6,Group 2A A

Question 3

What is the mass number of the isotope with the symbol   ?

Accepted Answer

A) 17 
B) 18 
C) 35.45 
D) 37 
A) 17 
B) 18 
C) 35.45 
D) 37 D

Question 4

Nonmetals have a shiny appearance,and they are generally poor conductors of heat and electricity.

Accepted Answer

A) True 
 B)False

Question 5

An alloy is a mixture of two or more elements that has metallic properties.

Accepted Answer

A) True 
 B)False

Question 6

Which element is an s block element?

Accepted Answer

A) S 
B) Ar 
C) He 
D) La 
E) None of these elements is an s block element. 
A) S 
B) Ar 
C) He 
D) La 
E) None of these elements is an s block element.

Question 7

How many protons are in the isotope with the symbol   ?

Accepted Answer

A) 17 
B) 18 
C) 35.45 
D) 37 
A) 17 
B) 18 
C) 35.45 
D) 37

Question 8

Sulfur is a metal.

Accepted Answer

A) True 
 B)False

Question 9

What is the symbol for the isotope with A = 31 and Z = 15?

Accepted Answer

A)    
B)    
C)    
D)    
A)    
B)    
C)    
D)

Question 10

Bromine is abbreviated by the two-letter symbol BR.

Accepted Answer

A) True 
 B)False

Question 11

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

Accepted Answer

The answer of Isotopes of the same element have the...

Question 12

Group 6A elements have the general electron configuration of ns2np6.

Accepted Answer

A) True 
 B)False

Question 13

Which isotope is not possible?

Accepted Answer

A)    
B)    
C)    
D)    
E) More than one of the isotopes is not possible. 
A)    
B)    
C)    
D)    
E) More than one of the isotopes is not possible.

Question 14

Oxygen,carbon,hydrogen,and nitrogen are called the building-block elements because they make up the majority of the mass of the human body.

Accepted Answer

A) True 
 B)False

Question 15

An atom with A = 21 and Z = 10 is an isotope of an atom with A = 20 and Z = 10.

Accepted Answer

A) True 
 B)False

Question 16

Strontium and barium have similar chemical properties.

Accepted Answer

A) True 
 B)False

Question 17

A bromine atom is smaller than a potassium atom.

Accepted Answer

A) True 
 B)False

Question 18

The nucleus contains most of the mass of an atom and is positively charged.

Accepted Answer

A) True 
 B)False

Question 19

Which element is chemically similar to chlorine?

Accepted Answer

A) Sulfur 
B) Calcium 
C) Oxygen 
D) Bromine 
E) Argon 
A) Sulfur 
B) Calcium 
C) Oxygen 
D) Bromine 
E) Argon

Question 20

Which of the following properly represents the order of orbital filling based on the relative energy of the orbitals?

Accepted Answer

A) 1s,2s,2p,3s,3p,3d,4s,4p 
B) 1s,2s,3s,4s,2p,3p,4p,3d 
C) 1s,2s,2p,3s,3p,4s,3d,4p 
D) 1s,2s,2p,3s,3d,3p,4s,4p 
A) 1s,2s,2p,3s,3p,3d,4s,4p 
B) 1s,2s,3s,4s,2p,3p,4p,3d 
C) 1s,2s,2p,3s,3p,4s,3d,4p 
D) 1s,2s,2p,3s,3d,3p,4s,4p

Exam 2: Atoms and the Periodic Table

The proper electron-dot symbol for aluminum is ________.

What is the Period and Group for the element Bromine?

What is the mass number of the isotope with the symbol ?

Nonmetals have a shiny appearance,and they are generally poor conductors of heat and electricity.

An alloy is a mixture of two or more elements that has metallic properties.

Which element is an s block element?

How many protons are in the isotope with the symbol ?

Sulfur is a metal.

What is the symbol for the isotope with A = 31 and Z = 15?

Bromine is abbreviated by the two-letter symbol BR.

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

Group 6A elements have the general electron configuration of ns2np6.

Which isotope is not possible?

Oxygen,carbon,hydrogen,and nitrogen are called the building-block elements because they make up the majority of the mass of the human body.

An atom with A = 21 and Z = 10 is an isotope of an atom with A = 20 and Z = 10.

Strontium and barium have similar chemical properties.

A bromine atom is smaller than a potassium atom.

The nucleus contains most of the mass of an atom and is positively charged.

Which element is chemically similar to chlorine?

Which of the following properly represents the order of orbital filling based on the relative energy of the orbitals?

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

Group 6A elements have the general electron configuration of ns²^np⁶.