Name:

Calcium

Symbol:

Ca

Latin Name:

---

Atomic Number:

20

Average Atomic Mass:

40.0 amu

# Protons:

20

# Electrons (neutral atom):

20  

# Neutrons (most common isotope):

20  

Common Ion(s):

Ca+2  

Common Isotopes:

---  

Electronegativity:

1.0  

Ionic radius:

99 pm  

Atomic Radius:

197 pm  

Ionization Energy:

589.5 kj/mol  

Common Compounds:

Ca(OH)2, Ca(NO3)2  

Common Uses:

Important Dietary Mineral - Bones & Teeth  
     


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| Alkali Metals | | Alkaline Earth Metals | | Halogens | | Noble Gases |
| Other Metals | | Other Non-Metals |
 

Created By: Mrs. D. M. Spering
 Created: March 25th, 2004
 Revised: May 2006
 Abington Senior High School
 Science Department
 Email Mrs. Spering