Just came across this TED-Ed periodic table, with video for each element, it was from last year, but worth adding to this thread.
http://ed.ted.com/periodic-videos
Hi, i'm no chemist had to google these chemicals, my guess after googling "iron sulfide toffee"
came across this while googling
Sorbitol & Potassium Nitrate Rocket Propellant
http://www.doranaerospace.com/Sorbitol.html
know what i'm making for next bonfire night.
Hi everyone i am sunshaker,enjoy all sciences, have many ideas but not the math so you will find any of my posts in speculation waiting for moderaters to send me to trash. hello lovely moderaters
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