i need to know please
2007-08-15 08:39:47 · 7 answers · asked by ? 2 in Science & Mathematics ➔ Chemistry
Diamond and Alloy Tittanium.
2007-08-15 08:42:29 · answer #1 · answered by Anonymous · 0⤊ 0⤋
Diamond is the hardest (10 on the Moh's hardness scale).
Corundum (Sapphire) is next at 9 on the scale.
2007-08-15 15:46:11 · answer #2 · answered by Michael B 6 · 0⤊ 0⤋
Diamond and Cubic Boron Nitride (CBN)
Ah, I was out of SA in 93, looks like they have some new stuff out there, Andromeda already gave the correct answer
2007-08-15 15:44:28 · answer #3 · answered by SteveA8 6 · 0⤊ 0⤋
Mathematics, Physics, and Chemistry, with a minor in Biology (trimajor). But I quit chemistry to become an artist because all the politics
2007-08-15 16:05:00 · answer #4 · answered by dan l 2 · 0⤊ 0⤋
ultrahard fullerite, aggregated diamond nanorods, heterodiamond - All are types of diamond.
2007-08-15 15:44:10 · answer #5 · answered by Andromeda 3 · 1⤊ 0⤋
Diamond is one, and I think the other is corundum.
2007-08-15 15:47:42 · answer #6 · answered by David P 3 · 0⤊ 0⤋
diamond and saphire
2007-08-15 15:53:47 · answer #7 · answered by jetto-bazookaaa 2 · 0⤊ 0⤋