Question 1

Which of the following elements is both a metalloid and a member of the chalcogen group?

Accepted Answer

Tellurium ($Te$)

Question 2

How many horizontal rows, called periods, are present in the modern periodic table?

Accepted Answer

7

Question 3

Which group in the periodic table contains the noble gases?

Accepted Answer

Group 18

Question 4

Elements in the same group of the periodic table have similar ________ properties because they have the same number of ________.

Accepted Answer

chemical; valence electrons

Question 5

Which of the following elements is an alkali metal?

Accepted Answer

Potassium ($K$)

Question 6

Which element is located in period 3 and group 17?

Accepted Answer

Chlorine ($Cl$)

Question 7

Which of the following is a transition metal?

Accepted Answer

Copper ($Cu$)

Question 8

Which element is a halogen and is found in period 2?

Accepted Answer

Fluorine ($F$)

Question 9

Which of the following elements is a noble gas and is found in period 4?

Accepted Answer

Krypton ($Kr$)

Question 10

Which element is a member of the actinide series?

Accepted Answer

Uranium ($U$)

Question 11

Which of the following elements is a member of the alkaline earth metals?

Accepted Answer

Magnesium ($Mg$)

Question 12

Which element is a metalloid and is found in group 15?

Accepted Answer

Arsenic ($As$)

Question 13

Which of the following elements is a lanthanide?

Accepted Answer

Neodymium ($Nd$)

Question 14

Which element is a nonmetal and is found in group 16?

Accepted Answer

Oxygen ($O$)

Question 15

Which of the following elements is a member of the halogen group and is a liquid at room temperature?

Accepted Answer

Bromine ($Br$)

Question 16

Which element is a metal and is found in group 13?

Accepted Answer

Aluminum ($Al$)

Question 17

Which of the following elements is a member of the noble gases and is used in lighting?

Accepted Answer

Neon ($Ne$)

Question 18

Which element is a transition metal and is essential for oxygen transport in the human body?

Accepted Answer

Iron ($Fe$)

Question 19

Which of the following elements is a metalloid and is commonly used in computer chips?

Accepted Answer

Silicon ($Si$)

Question 20

Which element is a nonmetal and is essential for life, making up a major part of DNA and ATP?

Accepted Answer

Phosphorus ($P$)

Organization and Classification of the Periodic Table

Study Guide - Practice Questions