periodic table
alkali earth metals
Alkali Earth Metals
Mg- magnesium
Ca- calcium
Sc- scandium
Ba- barium
Ra- radium
information section
2. There are 2 valence electrons in alkali earth metals.
3. Alkali Earth Metals react with hydrogen, oxygen, nitrogen, halogens, and water
4. The group has very high melting points, and oxides that have a basic alkaline solutions.
5. Batteries, fireworks, and lighbulbs are everyday examples of the metals.
6. The melting point and boiling point for each element in the group
Be = 1286.85C 2468.85C
Mg = 649.85C 1089.85C
Ca = 841.85C 1483.85C
Sr = 1381.85C 1381.85C
Ba = 726.85C 1896.85C
Ra = 699.85C 1736.85C
safety concerns
strontium is found in contaminated food and water. It is radioactive and can cause lung cancer. If is it to get into the air, It will get into waste and disposal.
Elements History
Strontium (Sr)-
discovered by- William Cruickshank
discovered- 1787
how it was discovered-
where it was discovered- in the ores taken from the lead mines
Barium (Ba)
discovered by- Carl Wilhelm Scheele
discovered- 1772
how it was discovered-
where it was discovered- Bologna, Italyradium (Ra)-
who discovered it- Pierre Curie and Marie Curie
when it was discovered- 1898
how it was discovered-
where it was discovered- in a uraninite sampleBeryllium (Be)-
discovered by- Louis-Nicolas Vauquelin
discovered- 1798
how it was discovered-
it was an unknown element on emerald and beryl, and they were able to isolate.
where it was discovered- france
Magnesium (Mg)-
discovered by- Sir Humphry Davy
discovered- 1808
how it was discovered-
it was isolated through the electrolysis of a mixture of magnesium oxide and mercuric oxide.
where it was discovered- United Kingdomcitations
"Alkali Metals to the Left." Chem4Kids.com: Elements & Periodic Table: Alkali Metals. N.p., n.d. Web. 16 Jan. 2014.
"Chemical Elements.com - Alkaline Earth Metals." Chemical Elements.com - Alkaline Earth Metals. N.p., n.d. Web. 16 Jan. 2014.