Atoms, Elements, and Molecules
This is the definition of atomic number.
What is the number of protons?
This is the name for P2O5.
Who is John Dalton?
This is what happens to the water level when you add salt to a glass of water.
What is decreases?
You add these two things to get the mass number of an atom.
What are protons and neutrons?
This is the name for KCl.
What is potassium chloride?
This man is credited with the creation of the modern periodic table.
Who is Dmitri Mendeleev?
This molecule is produced when lightening strikes.
What is ozone?
H2 is an example of this.
What is a molecule?
This is the name of Fe2O3.
What is iron (III) oxide?
This is the location of the standard kilogram by which all other kilograms are measured.
What is France?
This is the mass percent of carbon in a human being.
What is 18%?
This is the name of group 1 elements.
What are alkali metals?
This is the name for S7F6
What is heptasulfide hexafluride?
This was the experiment that helped discover the electron.
What is the cathode ray experiment?
There are this many metals that do not have a silver/grey color.
What is 2? (gold and copper)
These are the only two elements that are liquid at room temperature.
What are bromine and mercury?
This is the name for NH4OH
What is ammonium hydroxide?
This scientist proposed the Law of Conservation of Mass.
Who is Antoine Lavoisier?
This is the rarest element that occurs naturally in the earth's crust.
What is astatine (At)?