Group 1 Elements
Natalia and Carem
Elements In This Group
Sodium(Na)
Potassium(K)
Rubidium(Rb)
Cesium(Cs)
Francium(Fr)
Description Of Each Element
Lithium
a) Name of Element:Lithium
b) Symbol of element: Li
c) Atomic Number of element: 3
d) Atomic Mass of element: 6.941amu
e) Picture of element's atomic structure:
f) How many valence electrons does this element have?:1
g) What are the uses for this element?:Batteries, ceramics, lubricants
h) Who discovered this element?:
Johann Arfvedson
Sodium
a) Name of element: Sodium
b) Symbol of element:Na
c) Atomic Number of element:11
d) Atomic Mass of element:22.990amu
e) Picture of element's atomic structure:
f) How many valence electrons does this element have?: 1
g) What are the uses for this element?: medicine, agriculture
h) Who discovered this element?: Humphry Davy
Potassium
a) Name of element: potassium
b) Symbol of element:K
c) Atomic Number of element: 19
d) Atomic Mass of element:39.098amu
e) Picture of element's atomic structure:
f) How many valence electrons does this element have?:1
g) What are the uses for this element?:Glass and soap
h) Who discovered this element?Sir Humphrey Dav
Pictures of Each Element
Sources
http://www.chemicalelements.com/
<http://www.green-planet-solar-energy.com/images/Lithium-7.gif>
<http://www.green-planet-solar-energy.com/images/Lithium-7.gif>
<http://eochemistry.wikispaces.com/file/view/potassium2.gif/191533480/187x250/potassium2.gif>
<http://dandumitrache.com/wp-content/uploads/2014/11/cesium.png>
<http://franciumisradioactive.weebly.com/uploads/2/4/9/1/24911406/323823.png?603>