Alkali Metals

5 Elements that are in this group

• lithium
• sodium
• potassium
• rubidium
• cesium

3 Interesting facts

• The alkali metals are the most reactive
• The alkali metals only have one electron
• Adding water to alkali metals causes the hydrogen to release as gas

Where can these elements be found?

• Table salt
• bananas
• lubricants

potassium

physical charachter's of potassium

• The color of potassium is a silvery-white
• The texture is very soft

Element Questions

• atomic number: 19
• atomic mass: 39
• potassium is a metal
• density: 0.89 grams per cubic centimeter

Where can you find potassium

• Bananas is rich in potassium.
• Potassium is in potatoes.
• Avocado is also rich in potassium.

3 Interesting Facts

• Potassium is the second lightest metal.
• Potassium is is the 8th most abundant element in the human body.
• Potassium is the 7th most abundant element in the Earths crust.

2 Historical Facts

• Potassium was isolated in 1807
• Humphry Davy obtained it through the electrolysis of very dry molten caustic potash.