Which of the following best describes an atom? * the smallest unit of living things only the smallest unit of an element the smallest unit of nonliving things only the smallest unit of a compound

A rectangular block of lead (Pb) measures 20.0 mm X 30.0 mm X 45.0 mm. If the density of Pb is 11.34 g/cm3, calculate the mass of the block

What is the name of the covalent compound N2O5N2O5?

If Earth is pulling down on you, are you pulling up on Earth?

How fast was the ""the thing"" that was heading for the submarine group?

What is the mass of two moles of HNO3?

Why do you need a balanced equation for stoichiometry?

The density of gold is 19.3 g/cm3. What is the volume of a 13 g gold nugget?

Glucose, C6H12O6, C6H12O6, is used as an energy source by the human body. The overall reaction in the body is described by the equation C6H12O6 (aq) 6O2 (g) ⟶6CO2 (g) 6H2O (l) C6H12O6 (aq) 6O2 (g) ⟶6CO2 (g) 6H2O (l) Calculate the number of grams of

Which two bases pair with each other?

What is the main cause of increased erosion