Group 2: Alkaline Earth Metals

Lesly Moreno Franscheska

Elements

Calcium

Strontium

Barium

Big image

Strontium

Element name- Strontium

symbol-Sr

atomic number-38

atomic mass- 88

uses- flares, fireworks, crimson color

Valence Electrons- 2

Discovered- A Crawford

Barium

Element name-Barium

symbol- Ba

atomic number-56

atomic mass-137

uses- Medical applications, among others

Who discovered- Sir Humphrey Davy

Valence Electrons- 2

Big image

Calcium

element name- Calcium

symbol-Ca

Atomic number-20

Atomic mass- 40

uses- life forms for bones and shells

Who discovered- Sir Humphrey Davy

Valence Electrons-2

Things Alkaline Earth Metals have in common

- Not found in nature

- High boiling points

-Low density

-Two electrons on the outer shell

- Distributed in rock structure