Consider Fe2(SO4)3 + 6 H2O+ 6NH3 → 2Fe(OH)3 + 3(NH4)2SO4 Calculate the mass of water required to make 3.67 g Fe(OH)3

How is 0.00235 expressed in proper scientific notation? a. 2.35 × 10-3 b. 0.235 × 10-2 c. 2.35 d. 2.35 × 103

Ageologist determines that a sample of a mineral can't be scratched by a steel nail but can be scratched by a masonry drill bit. based on this information, the sample mineral has to be softer than a. orthoclase. b. fluorite. c. apatite. d. corundum.

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.