Boron

Is Carbon A Metal

Is carbon considered metal? Carbon (from Latin: carbo “coal”) is a chemical element with the symbol C and atomic number … More

What Kind Of Rock Is Shale

Is shale a metamorphic rock? Shale is a fine-grained sedimentary rock that is formed by the compression of muds. This … More

Are Diamonds Hard Or Tough

Are diamonds harder than? (PhysOrg.com) — Currently, diamond is regarded to be the hardest known material in the world. But … More

What Cone Is Stoneware Fired

What Cone should stoneware be fired at? Potters operating at stoneware temperatures traditionally fire pottery to cone 9 (2300°F), but … More

Is Diamond Hard Or Strong

Is a diamond strong? Diamond is extremely strong owing to its crystal structure, known as diamond cubic, in which each … More

Is Pyrex Lead Free

Is there lead in Pyrex? Is there lead in vintage Pyrex bowls and baking dishes? Yes. Almost all vintage Pyrex … More

Why Are Ceramics Hard

Is ceramic hard? A ceramic is an inorganic non-metallic solid made up of either metal or non-metal compounds that have … More

Is Osmium Poisonous

Is osmium toxic to humans? Health effects of osmium Osmium tetroxide, OsO4, is highly toxic. Concentrations in air as low … More

What Is Harder Than A Diamond

Is there anything harder than diamond? Moissanite, a naturally occurring silicon-carbide, is almost as hard as diamond. It is a … More