Element Superhero PBL
Research Links:
Research Links:
Chemi Cool - https://www.chemicool.com/
Chemi Cool - https://www.chemicool.com/
Web Elements - https://www.webelements.com/
Web Elements - https://www.webelements.com/
Periodic Table - http://www.periodictable.com/
Periodic Table - http://www.periodictable.com/
Element Hardness on MOHS Hardness Scale - http://periodictable.com/Properties/A/MohsHardness.al.html
Element Hardness on MOHS Hardness Scale - http://periodictable.com/Properties/A/MohsHardness.al.html