Group 1

• Name - Alkali metals

Physical Properties

• Low melting point
• Metal properties

Alkali Metal Reaction with Water

Lithium

Physical Appearance

• Shiny
• Dull in presence of oxygen slowly
• Hard like parmesan

Reaction with Water

• Fizzing
• Smoking
• Floating on surface
• Red flame

pH of Solution Formed

• Slightly basic

Sodium

Physical Appearance

• Shiny
• Dull in presence of oxygen quicker
• Softer than litium

Reaction with Water

• Fizzing
• Smoking
• Floating on surface
• Moves around and forms into a ball as it melts quickly
• Orange flame

pH of Solution Formed

• Highly basic

Potassium

Physical Appearance

• Shiny
• Dull in presence of oxygen immediately
• Significantly more softer than sodium

Reaction with Water

• Fizzing
• Smoking
• Floating on surface
• Moves around quickly and forms into a ball as it melts quickly
• Sets fire to the hydrogen gas released
• Burns with a lilac flame

pH of Solution Formed

• Highly basic