Periodic Table Pure

Name for Group 1 elements

Name for Group 17 elements

Most reactive halogen

• fluorine
• chlorine

• bromine

• iodine

Least reactive alkali metal

• lithium
• sodium

• potassium

• rubidium

Which property increases down Group 1 elements?

• reactivity

• melting point

• density

• boiling point

Which property decreases down Group 1 elements?

• reactivity

• melting point

• density

• boiling point

Which property decreases down Group 17 elements?

• reactivity

• colour

• density

• boiling point

Which property increases down Group 17 elements?

• reactivity

• colour

• density

• boiling point

Most reactive to least reactive

• Potassium

• Sodium

• Rubidium

• Lithium

Most reactive to least reactive

• Bromine

• Chlorine

• Iodine

• Fluorine