Which statement explains why the element carbon forms so many compounds? 1
Carbon atoms combine readily with oxygen
2
Carbon atoms readily attract electrons.
3
Carbon readily forms ionic bonds with other carbon atoms.
4
Carbon readily forms covalent bonds with other carbon atoms.
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What type of matter is made of only one kind of atom

For a research project, a student decided to test the effect of the lead(ii) ion (pb2+) on the ability of salmon eggs to hatch. this ion was obtainable from the water‐soluble salt, lead(ii) nitrate, which the student decided to make by the following reaction. pbo(s) + 2 hno3(aq) → pb(no3)2(aq) + h2o losses of product for various reasons were expected, and a yield of 86.0% was expected. in order to have 5.00 g of product at this yield, how many grams of pbo should be reacted? (assume that sufficient nitric acid, hno3, would be used.)

What physical property of gold makes panning a useful way to get gold from streams?