Unit 5 - Periodic Trends and Naming

What is the horizontal row on the periodic table called?

• Block
• Group
• Series
• Period

Answer explanation

Horizontal rows are called periods; vertical columns are groups.

Which part of the periodic table contains the most metallic elements?

• Left side
• Top row
• Middle block
• Right side

Answer explanation

Metals are found predominantly on the left and center of the table.

What is the vertical column on the periodic table called?

• Chain
• Group
• Section
• Period

Answer explanation

Groups are vertical columns; elements in a group have similar properties.

Which block on the periodic table includes the transition metals?

• d-block
• s-block
• f-block
• p-block

Answer explanation

Transition metals are found in the central d-block.

Which of these is found in the s-block?

• Alkali metals
• Lanthanides
• Halogens
• Noble gases

Answer explanation

The s-block includes alkali and alkaline earth metals.

Which element is in Group 17?

• Chlorine
• Magnesium
• Helium
• Iron

Answer explanation

Chlorine is a halogen, found in Group 17.

Where are nonmetals located on the periodic table?

• Lower left
• Upper right
• Center
• Across all rows

Answer explanation

Nonmetals are generally located in the upper right region.

What determines an element’s placement in a group?

• Proton ratio
• Atomic mass
• Valence electrons
• Neutron count

Answer explanation

Group placement is determined by number of valence electrons.

Which element is a noble gas?

• Sodium
• Neon
• Sulfur
• Iron

Answer explanation

Neon is in Group 18 – noble gases.

What type of elements are in the f-block?

• Lanthanides and actinides
• Alkali metals
• Metalloids
• Halogens

Answer explanation

The f-block holds the lanthanide and actinide series.