by juniorsbook6 years ago
In his periodic table, Mendeleyev named this element eka-silicon. How do we know it now?
by David Stillwell5 years ago
On a periodic table what element goes into or went into slot 113?So I was sitting in physical geology class today and on the wall was a periodic table. I was trying to see how many symbols I remembered from high...
by sandra rinck9 years ago
Yeah, I think I just made it up cause I am bored. Someone could have coined it, but since I have never heard of it it is mine. What is the science of size. It's the largest thing you could ever image...
by Paula3 years ago
What is necessary to prove whether or not absolute truth exists?This is a hotly contested topic of debate for many, and has been for centuries. Can you think of anything that would help shed light on this...
by Chemistry Book5 years ago
What is a molecule?What is the chemistry definition of a molecule?
by ramadan007 years ago
what's the meaning of??exact player quality required:SILVER
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