Calcium is an silvery white element that
goes along with Vitamin D which helps
maintain healthy bones and teeth
 Calcium also helps lower blood pressure,
control heartbeats and maintains cell
membranes

There are many objects containing calcium. Some of
those objects that contain calcium include:
 Limestone!
 Marble!
 Milk!
Milk is a great source of calcium which contains 315 mg
of calcium.

Plain nonfat yogurt!
Yogurt contains about 400 mg of calcium

Atomic Number: the number of positive
charges or protons in the nucleus of an
atom of a given element, and therefore
also the number of electrons normally
surrounding the nucleus
 Calcium’s atomic number is 20

20
40.078
Atomic Mass: the mass of an isotope of
an element measured in units formerly
based on the mass of one hydrogen
atom taken as a unit or on 1 / 16 the mass
of one oxygen atom, but after 1961
based on 1 / 12 the mass of the carbon12 atom.
 Calcium’s atomic mass is 40.078

The melting point of calcium is 839
degrees Celsius
 The boiling point of calcium is 1484
degrees Celsius

Calcium was discovered by Sir
Humphrey Davy in 1808
 Calcium is a basic component of most
animals and plants
 Calcium naturally occurs in limestone
 Calcium’s occurrence in the atmosphere
is 3.5% of the earth’s crust


http://www.youtube.com/watch?v=GSfZ
enQXc6I&feature=related
Microsoft Clip Art
 http://dictionary.reference.com/browse/atomic+number
 http://www.indiadiets.com/foods/food_nutrients/Minerals/
Calcium.htm
 http://www.webelements.com/calcium/
http://www.drbenkim.com/nutrient-calcium.html
http://environmentalchemistry.com/yogi/periodic/Ca.htm
l#Atomic
http://www.chemicalelements.com/elements/ca.html
http://www.chemicalelements.com/elements/ca.html
http://chemistry.about.com/od/elementfacts/a/calcium.
htm
http://www.facts-about.org.uk/science-elementcalcium.htm
