The mass of a sample of nickel (average atomic mass 58.69 u) is 11.74 g. How many atoms does it contain?

What term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

How does a noncompetitive inhibitor reduce an enzyme’s activity?

Why does earth rotate? because earth is formed from cold gases collapsing due to gravity because the matter in the nebula that formed earth was spinning because earth forms more than 99% of the mass of the solar system because the hydrogen atoms inside the nebula fused to form helium