Chem Unit 1d Periodic Table Revision Quiz

What does the 4 represent here?

• the atomic number

• the mass number

• the number of electrons

• the number of neutrons

What does the 2 represent here?

• the atomic number

• the mass number

• the number of electrons

• the number of neutrons

How are elements arranged in the periodic table?

• in order of atomic number

• in alphabetical order

• in order of mass number

• in order of the number of neutrons

In the periodic table, groups are...

• rows

• columns

• blocks

• elements

In the periodic table, periods are...

• rows

• columns

• blocks

• elements

What is the electron configuration of lithium?

• 3,7

• 2,1

• 2,7

• 2,3,7

What is shown in the image?

• three ions of lithium

• three isotopes of lithium

• three molecules of lithium

• three isomers of lithium

What is an isotope?

• An isotope is a type of subatomic particle
• Isotopes are atoms with different numbers of protons

• An isotope is a variant of a chemical element which differs in the number of neutrons

• An isotope is a type of chemical compound

What is the electron configuration of sodium?

• 11,23

• 2,8,7

• 2,8,1

• 2,8,8,5

What group is sodium in?

• 1

• 2

• 3

• 7