Periodic table and other.

________ and ______ is what the sun is made up of.

what type of atom does the earth has that we can breath in?

• Oxygen

• Hydrogen

• Helium

• Potassium

What atom is oxygen gas? (The name and short chemical reaction).

• O

• O2

• H2O

• H2

• He2

Draw me a short and chemical reaction for Hydrogen.

Draw me a atom or chemical reaction for helium.

How many atoms or elements are in the periodic table?

• 180

• 118

• 108

• 128

What is potassium?

• A silvery rock metal that can be easily be cut with knife.

• A type of iron, rock, and metal that is hard and easy to cut.

• A type of blue thing that is easy to break.

• Type of rock that is hard to cut.

Draw a chemical reaction when you are adding chemicals. (It can be any atom).

How old is the sun?

• 4.5 billion years old

• 3.5 billion years old

• 2.5 billion years old

• 1.5 billion years old

Draw a chemical reaction of what air is made up of in earth.