Why are rubies red and emeralds green? Their colors come from the same metal in their atomic structure
The colors of rubies and emeralds are so striking that they define shades of red and green—ruby red and emerald green. But ...
PBS6y
Pyrotechnics: It's Elemental
Well it's actually quite elemental—The Periodic Table of the Elements, that is. The whiz, bang, pop, and color are all possible by combining the most basic substances of which we know ...
C&EN8mon
Periodic Table Educational Resources for Ages 15-18
Spraying Windex onto the samples produces a color that depends on the metal residing in the ... As part of the ChemClub's 10 th Anniversary, we asked clubs to create elements of the periodic table ...
Hackaday1y
Displaying The Time Is Elemental With This Periodic Table Clock
That’s why this periodic table clock really caught our eye. [gocivici]’s idea is a simple one: light up three different elements with three different colors for hours, minutes, and seconds ...
Rubies and emeralds get their colours from a common metal
Both rubies and emeralds are minerals, which is a type of rock with a consistent chemical composition and a highly ordered ...