Group 1, Alkali Metals

Lindsey, Bryan, and Amber

Elements In This Group

Lithium

Sodium

Potassium

Rubidium

Cesium

Francium

Description Of Each Element

Lithium

Name of element- Lithium

Symbol of element- Li

Atomic Number of element-3

Atomic Mass of element-7

How many valence electrons does this element have? 1

What are the uses for this element? Rechargeable batteries for mobile phones, laptops and digital cameras and electrical videos.

Who discovered this element?Johan Arfvedson

Sodium

Name of element- Sodium

Symbol of element- Na

Atomic Number of element- 11

Atomic Mass of element- 23

How many valence electrons does this element have? 1

What are the uses for this element? Medicine and agriculture

Who discovered this element? Sir Humphrey Davy

Potassium

Name of element- Potassium

Symbol of element- K

Atomic Number of element- 19

Atomic Mass of element- 39

How many valence electrons does this element have? 1

What are the uses for this element? The greatest demand for potassium compounds is in fertilizers.

Who discovered this element? Humphry Davy

Rudibium

Name of element- Rudibium

Symbol of element- Rb

Atomic Number of element- 37

Atomic Mass of element- 85

How many valence electrons does this element have? 1

What are the uses for this element? Ion Engines

Who discovered this element? R. Bunsen

Cesium

Name of Element- Cesium

Symbol of element-Cs

Atomic Number of element-55

Atomic Mass of element-133

How many valence electrons does this element have? 1

What are the uses for this element? Drilling fluid

Who discovered this element? Fustov Kirchoff

Francium

Name of element-Francium

Symbol of element-Fr

Atomic Number of element-55

Atomic Mass of element-223

How many valence electrons does this element have? 1

What are the uses for this element? NO USES!

Who discovered this element? After France.

Include a picture of each element in real life in your group


What do elements in your group have in common?

All of their valence electrons are 1