What is the main difference between physical properties and chemical properties

The mass of a 2.0 centimeter sample of a substance is 3.2 grams. Calculate the density of the substance

What happens as you increase the temperature of a reaction? A) More collisions occur and the time required for the reaction increases. B) Fewer collisions occur and the time required for the reaction decreases.

Which question comparing two different metals is best answered through science? Which metal is easier to use? Which metal is harder to find? Which metal is less dense? Which metal is more valuable?

How many protons does an atom of Iodine (I), #53, have if it has an atomic mass of 127?

The value of ksp for silver carbonate, ag2co3, is 8.10*10-12. calculate the solubility of ag2co3 in grams per liter.

What do you use to measure mass

A salt shaker filled with 17.0g sodium chloride contain how many moles?

When a radioactive decay occurs what is released? A. Only protons and neutrons B. Only electrons C. Protons/Neutrons, beta particle, gamma ray D. Only gamma rays

How is the process of scientific inquiry and the design process similar and how they are different.

Provide an explanation at the subatomic level to explain why different colors are observed for different metal salts.