This element has the symbol O.
What is Oxygen
This state of matter has a fixed shape and fixed volume.
What is a solid?
This scientist created the first widely accepted periodic table.
Who was Dmitri Mendeleev?
This is the smallest particle of an element that still has the properties of that element.
What is an atom
A pure substance made of only one type of atom.
What is an element?
The chemical symbol for sodium is this.
What is Na
In this state, particles can flow past one another but stay close together.
What is a liquid?
Scientists have officially discovered this many elements.
What is 118?
This subatomic particle has a positive charge.
What is a proton?
A pure substance made from two or more different elements chemically bonded together.
What is a compound
This element has the symbol Fe.
What is Iron
This is the amount of matter in an object.
What is mass?
This elements is the very first on the periodic table
What is hydrogen
This subatomic particle has no charge.
What is a neutron?
A mixture where one substance dissolves evenly throughout another.
What is a solution?
This element is represented by the symbol Ag and Au
What is Silver and Gold
There is the most empty space between particles in this state of matter.
What is gas
Around 75% of the elements on the periodic table are these.
What are metals
This subatomic particle has a negative charge.
What is an electron?
A mixture where large particles are spread through a liquid and may settle over time.
What is a suspension?
This element's symbol is K, even though its English name doesn't begin with K.
What is potassium?
This is the amount of space an object takes up
What is volume
This element is a radioactive metal often used as fuel in nuclear power plants.
What is uranium?
A charged atom is known as this.
What is an ion
A mixture with particles larger than a solution but smaller than a suspension
What is a colloid?