Canadian School Projects

Facts

Table: basic information about and classifications of calcium.
•Name: Calcium
•Symbol: Ca
•Atomic number: 20
•Atomic weight: 40.078 (4)
•Standard state: solid at 298 K
•CAS Registry ID: 7440-70-2
•Group in periodic table: 2
•Group name: Alkaline earth metal
•Period in periodic table: 4
•Block in periodic table: s-block
•Color: silvery white
•Classification: Metallic

-Calcium is in group 2 of the periodic table, which makes it ALKALINE EARTH METAL.

-Calcium is the lightest metal.

-Calcium
State at room temperature:solid
Structure: Metallic

Answers to questions

-The name calcium comes from the Latin language. CALC means Limestone, and IUM means “a suffix found on nouns borrowed from Latin”.

-The element Calcium was discovered in 1808 in England by a scientist named Sir Humphrey Davey.

-One of the common uses of calcium is the CHALK we have in class. Calcium is important because we need it for good teeth and strong bones and the proper function of nerves.