Elements are organized by similar _________.

• Looks

• Proportions

• Properties

• Interests

The 1 or 2 letters in every element is its ________

• Atomic name

• Atomic symbol

• Atomic ID

• Personality

As you move from left to right and top to bottom, atomic mass ________

• Increases

• Decreases

• Stays the same

What are the three types of elements?

• Metals

• Plastics

• Non-Metals

• Metalloids

Which type of elements are NOT solid at room temperature?

• Metals

• Non-metals

• Metalloids

• All of them

Which elements are GREAT conductors of electricity?

• Metals

• Non-metals

• Metalloids

• None of them

Each row (Horizontal) is called _______

• Column

• Family

• Semi-colon

• Period

Each column (Vertical) is called

• Period

• Column

• Group

• Cohort

True or False

Elements on the last group DO NOT react.

• True

• False