Which has more atoms, 6.0 g of silicon (Si:28) or 6.0 of iron (Fe:56)?
Use Avogadro's number as 6.0 x1023

What is the chemical formula for the compound formed between sodium and flour one

How can the periodic table be used to predict the behavior of elements?

Which statement is true according to the kinetic theory? a. molecules of different gases with the same mass and temperature always have the same average density. b. molecules of different gases with the same mass and temperature always have the same average volume. c. molecules of different gases with the same mass and temperature always have the same pressure. d. molecules of different gases with the same mass and temperature always have the same molecular mass. e. molecules of different gases with the same mass and temperature always have the same average kinetic energy.