Review 1

Fresh squeezed lemonade with sugar and ice is an example of

A copper wire contains

HCl is added to a sample of chalk. You see bubbles and steam. This is an example of

You are explaining to a friend how you know that fireworks are a chemical change. Pick all of the the following observations that led you to that conclusion.

125 mL = ____ L

What is the mass of 55.6 mL of water?

Mercury, a very dense, toxic liquid, has a density of 13.6 g/mL. What is the volume of a 68.0 g sample?

A sample has 21 protons, 23 neutrons and 19 electrons. What is it's symbol?

A sample has 21 protons, 23 neutrons and 19 electrons. What is its mass number?

A sample has 21 protons, 23 neutrons and 19 electrons. What is it's charge? Is it a cation or anion?

Which of the following was not part of Dalton's atomic theory?