ELEMENTS
STATES OF MATTER
PERIODIC TABLE
ATOMS
KEY WORDS
100

This element has the symbol O.

What is Oxygen

100

This state of matter has a fixed shape and fixed volume.

What is a solid?

100

This scientist created the first widely accepted periodic table.

Who was Dmitri Mendeleev?

100

This is the smallest particle of an element that still has the properties of that element.

What is an atom

100

A pure substance made of only one type of atom.

What is an element?

200

The chemical symbol for sodium is this.

What is Na

200

In this state, particles can flow past one another but stay close together.

What is a liquid?

200

Scientists have officially discovered this many elements.

What is 118?

200

This subatomic particle has a positive charge.

What is a proton?

200

A pure substance made from two or more different elements chemically bonded together.

What is a compound

300

This element has the symbol Fe.

What is Iron

300

This is the amount of matter in an object.

What is mass?

300

This elements is the very first on the periodic table

What is hydrogen

300

This subatomic particle has no charge.

What is a neutron?

300

A mixture where one substance dissolves evenly throughout another.

What is a solution?

400

This element is represented by the symbol Ag and Au

What is Silver and Gold

400

There is the most empty space between particles in this state of matter.

What is gas

400

Around 75% of the elements on the periodic table are these.

What are metals

400

This subatomic particle has a negative charge.

What is an electron?

400

A mixture where large particles are spread through a liquid and may settle over time.

What is a suspension?

500

This element's symbol is K, even though its English name doesn't begin with K.

What is potassium?

500

This is the amount of space an object takes up

What is volume

500

This element is a radioactive metal often used as fuel in nuclear power plants.

What is uranium?

500

A charged atom is known as this.

What is an ion


500

A mixture with particles larger than a solution but smaller than a suspension

What is a colloid?

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