Periodic Table

Based on the data, which number shows the correct location of the element with 2 valence electrons and 3 energy levels.

• 1

• 2

• 3

• 4

Students collected data on five elements. Their data are shown in the table. Lithium and ​ (a)   have the same number of energy levels because they are in the same ​​​ (b)   .

• Beryllium
• period
• Sodium
• Magnesium
• Potassium
• family

Match the following elements with their proper classification.

• Non-metal

• Boron

• Metal

• Carbon

• Metalloid

• Cu

Students were asked to identify the locations of elements on the Periodic Table based on clues printed on game cards. Based on the data, which Periodic Table correctly shows the locations of each element?

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Which area on the Periodic Table contains elements that are all gases at room temperature and are chemically stable?

Which elements are in the same GROUP on the Periodic Table?

• Atom 1 and Atom 2

• Atom 1 and Atom 4

• Atom 2 and Atom 3

• Atom 3 and Atom 4

A portion of the periodic table is shown. Which pair of elements would have the same number of valence electrons?

• Lithium and Sodium

• Lithium and Beryllium

• Magnesium and Sodium

• Magnesium and Lithium

A portion of the Periodic Table is shown. Which 2 elements would have similar properties to Sulfur?

Where are the following found on the periodic table?​

• Location 2

• Nonmetals

• Location 4

• lanthanides and the actinides

• Location 1

• Metals

• Location 3

• Metalloids

Which two elements on the periodic table are in the same group?

• Na and He

• O and C

• Li and Ne

• He and Ar