Calcium

By: Maice Glasssett

Ca

atomic number- 20

atomic mass- 40

protons- 20

neutrons- 20

electrons- 20

valence electrons- 2

group number- 2

group/family name- alkali earth metals

Properties

* Metal

* 2 valence electrons

* very reactive

Metal

* ductile

* malleable

* good conductor of heat and electricity