Question 1

Which of the following elements is classified as a representative metal?

Accepted Answer

A) element 30 
B) element 26 
C) element 38 
D) element 63 
A) element 30 
B) element 26 
C) element 38 
D) element 63

Question 2

Which of the following elements is classified as a transition element?

Accepted Answer

A) element 76 
B) element 60 
C) element 56 
D) element 17 
A) element 76 
B) element 60 
C) element 56 
D) element 17

Question 3

Which element is the first one in the group IVA(14)of the periodic table?

Accepted Answer

A) C 
B) Na 
C) Sc 
D) Ti 
A) C 
B) Na 
C) Sc 
D) Ti

Question 4

The electronic configuration of element 17 ends with _____ .

Accepted Answer

A) 2p 3 
B) 3p 5 
C) 2p 5 
D) 3p 3 
A) 2p 3 
B) 3p 5 
C) 2p 5 
D) 3p 3

Question 5

One mole of an element would weigh the same as a mole of an isotope of the same element.

Accepted Answer

A) Mg 
B) Be 
C) Al 
D) B 
A) Mg 
B) Be 
C) Al 
D) B

Question 6

Which of the following elements contains a total of 10 "s" electrons?

Accepted Answer

A) Sr 
B) Sb 
C) Cs 
D) more than one response is correct 
A) Sr 
B) Sb 
C) Cs 
D) more than one response is correct

Question 7

What rule,principle or law is used to explain that an electrons will not share the same orbital if there is an empty orbital of the same energy available?

Accepted Answer

A) Aufbau principle 
B) Hund's rule 
C) Pauli principle 
D) Avogadro's law 
A) Aufbau principle 
B) Hund's rule 
C) Pauli principle 
D) Avogadro's law

Question 8

Which element is represented by the distinguishing electron configuration 5d 9?

Accepted Answer

A) Pd 
B) Ag 
C) Pt 
D) Au 
A) Pd 
B) Ag 
C) Pt 
D) Au

Question 9

____ states that,electrons will not join other electrons in an orbital if an empty orbital of the same energy is available.

Accepted Answer

A) Hund's rule 
B) Pauli exclusion principle 
C) Periodic law 
D) None of these 
A) Hund's rule 
B) Pauli exclusion principle 
C) Periodic law 
D) None of these

Question 10

What type of electron is the distinguishing electron in S?

Accepted Answer

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

Question 11

How many electrons are in the outer shell of element 15?

Accepted Answer

A) 5 
B) 3 
C) 15 
D) 2 
A) 5 
B) 3 
C) 15 
D) 2

Question 12

Which of the following is the correct valence electron configuration of phosphorus?

Accepted Answer

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

Question 13

Which of the following pairs have the same number of electrons in the outermost shell?

Accepted Answer

A) K and Ca 
B) S4+ and Al3+ 
C) Na+ and Ne 
D) Ne and He 
A) K and Ca 
B) S4+ and Al3+ 
C) Na+ and Ne 
D) Ne and He

Question 14

The radius of a magnesium atom is larger than the radius of a sodium atom.

Accepted Answer

A) True 
 B)False

Question 15

All non-metals are representative elements.

Accepted Answer

A) True 
 B)False

Question 16

Which of the following correctly arranges the given subshells in order of increasing energy (lowest to highest)?

Accepted Answer

A) 2s < 3d < 4s 
B) 4s < 3p < 3s 
C) 2s < 3d < 4p 
D) 4p < 4f < 5s 
A) 2s < 3d < 4s 
B) 4s < 3p < 3s 
C) 2s < 3d < 4p 
D) 4p < 4f < 5s

Question 17

Silver,Ag,belongs to what period of the periodic table?

Accepted Answer

A) 1 
B) 2 
C) 5 
D) 12 
A) 1 
B) 2 
C) 5 
D) 12

Question 18

What is the symbol of the element that is in Period 4,and Group IIA(2)of the periodic table?

Accepted Answer

A) Zn 
B) Ca 
C) C 
D) Ti 
A) Zn 
B) Ca 
C) C 
D) Ti

Question 19

Which element has the largest atomic radii?

Accepted Answer

A) I 
B) F 
C) Li 
D) Cs 
A) I 
B) F 
C) Li 
D) Cs

Question 20

A bromine atom has a larger radius than a chlorine atom.

Accepted Answer

A) True 
 B)False

Exam 3: Electronic Structure and the Periodic Law

Which of the following elements is classified as a representative metal?

Which of the following elements is classified as a transition element?

Which element is the first one in the group IVA(14)of the periodic table?

The electronic configuration of element 17 ends with _____ .

One mole of an element would weigh the same as a mole of an isotope of the same element.

Which of the following elements contains a total of 10 "s" electrons?

What rule,principle or law is used to explain that an electrons will not share the same orbital if there is an empty orbital of the same energy available?

Which element is represented by the distinguishing electron configuration 5d 9?

____ states that,electrons will not join other electrons in an orbital if an empty orbital of the same energy is available.

What type of electron is the distinguishing electron in S?

How many electrons are in the outer shell of element 15?

Which of the following is the correct valence electron configuration of phosphorus?

Which of the following pairs have the same number of electrons in the outermost shell?

The radius of a magnesium atom is larger than the radius of a sodium atom.

All non-metals are representative elements.

Which of the following correctly arranges the given subshells in order of increasing energy (lowest to highest)?

Silver,Ag,belongs to what period of the periodic table?

What is the symbol of the element that is in Period 4,and Group IIA(2)of the periodic table?

Which element has the largest atomic radii?

A bromine atom has a larger radius than a chlorine atom.

Matter, measurements, and Calculations

Atoms and Molecules

Forces Between Particles

Chemical Reactions

The States of Matter

Solutions and Colloids

Reaction Rates and Equilibrium

Acids, bases, and Salts

Radioactivity and Nuclear Processes

Organic Compounds: Alkanes

Unsaturated Hydrocarbons

Alcohols, phenols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Esters

Amines and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Nucleic Acids and Protein Synthesis

Nutrition and Energy for Life

Carbohydrate Metabolism

Lipid and Amino Acid Metabolism

Body Fluids

Filters

Which element is represented by the distinguishing electron configuration 5d ⁹?