Everyday thought is somewhat different thought. One listed here is a trait of scientific thought. That act is A)makes claims
B)forms opinions
C)test hypothesis
D)makes observations.

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.