Calcium by Ethan coffey-eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet Assesment en-us 2018-03-08 03:42:44 UTC 2024-10-27 01:11:27 UTC hello@padlet.com Basic information ethan_coffey_eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239495568 Element name: Calcium
Symbol:  Ca
Atomic number: 20
Atomic mass: 40.078
Protons: 20
Electrons: 20
Neutrons: 20
Melting point: 839.0 degrees Celsius
Boiling point: 1484.0 degrees Celsius
Density: 1.55 Grams per cubic centimeters 
State: Solid
Colour: Silvery-grey]]> 2018-03-08 03:44:37 UTC https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239495568 Other infomation ethan_coffey_eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239498077 Person who discovered it: Sir Humphry davy
When and Where: 1808 England
Found: Calcium is found in the earths crust but not found freely due to it easily forming compounds with water and oxygen


]]> 2018-03-08 04:01:37 UTC https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239498077 ethan_coffey_eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239498420 https://hobart.k12.in.us/ksms/PeriodicTable/calcium.htm
https://education.jlab.org/itselemental/ele020.html]]> 2018-03-08 04:03:53 UTC https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239498420 Effects of calcium in the environment ethan_coffey_eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239508468 Calcium has a certain compound (Calcium phosphide)  which is toxic to aquatic creatures]]> 2018-03-08 05:20:33 UTC https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239508468 Reactions ethan_coffey_eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239509315 Calcium reacts with water and air so it normally has a thin layer to protect against water and air]]> 2018-03-08 05:28:39 UTC https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/239509315 ethan_coffey_eerden https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/242634746 P = Protons, N = Neutrons, Circles = Electrons, Rings = Orbits of electrons]]> 2018-03-16 00:21:21 UTC https://padlet.com/ethan_coffey_eerden/CalciumPadlet/wish/242634746