A nickel is found to have a mass of 4.76 grams.

Using unit analysis, show what the mass of this nickel is in ounces.

4.76 grams

(number) (unit)

(number) (unit)

What is the reason for the low solubility of LiF (0.27 g per100 ml H2O) compared to CsF (367 g per 100 ml H2O) ?

What is formed when atoms of elements combine? A) Compounds B) Elements C) Protons D) Neutrons

How can you separate a solid from a liquid?

Explain how the random motion of molecules produces a concentration gradient and a net movement of solute

Classify the following statement as a theory or a law

What causes combustion in cars?

A potassium atom (atomic number 19) and a bromine atom (atomic number 35) can form a chemical bond through a transfer of one electron. The potassium ion that forms has 18 electrons. What best describes the bromide ion that forms?

A 0.450 g0.450 g sample of impure CaCO3 (s) CaCO3 (s) is dissolved in 50.0 mL50.0 mL of 0.150 M HCl (aq) 0.150 M HCl (aq).

Define and explain bond energy.

A colorless, toxic, radioactive gas is called what