The Periodic Table Review

Each column in the periodic table is called a 

• period

• group

• cluster

• unit

The atoms along the staircase are called 

• metals

• nonmetals

• metalloids

• noble gases

In the modern periodic table elements are arranged by:

• atomic mass

• atomic number

• valence electrons

• number of isotopes

Which of the following elements would most likely be a shiny, gray-colored solid at room temperature, conduct electricity, and dent when hit with a hammer?

• argon (Ar)

• chlorine (Cl)

• sulfur (S)

• aluminum (Al)

Which of the following elements is in Group 1 of the periodic table?

• Helium

• Sodium

• Calcium

• Chlorine

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DOK Level 1: Recall

🌟 Pop Quiz Time! 🌟 Can you guess what the atomic number of an element tells us?

• The number of protons in the nucleus

• The total number of protons and neutrons in the nucleus

• The number of electrons whizzing around the nucleus

• The total mass of the atom

Answer explanation

The atomic number of an element tells us the number of protons in the nucleus, which is the correct choice.

What period does the element I - Iodine belong to?

• 17

• 6

• 3

• 5

Label the element with the correct terms

a

b

c

d

Atomic Mass

Element Name

Element Symbol

Atomic number

🌟 Hey there, super scientist! Can you spot which element hangs out in Group 2 and rocks out in Period 3 of the periodic table? 🌟

• Sodium (Na)

• Magnesium (Mg)

• Aluminum (Al)

• Silicon (Si)

Answer explanation

The correct element is Magnesium (Mg) as it belongs to Group 2 and Period 3 of the periodic table.

Ready to dive into the world of chemistry? Which exclusive club in the periodic table is home to the noble gases?

• Group 1 - The Lone Rangers

• Group 17 - The Reactive Rebels

• Group 18 - The Noble Knights

• Group 2 - The Alkaline Allies

Answer explanation

The exclusive club in the periodic table that is home to the noble gases is Group 18 - The Noble Knights.