Definitions
A Little Salty
Famous Chemists
Elemental Breakdown
Going Subatomic
100

The scientific study of the properties and behavior of matter.

What is Chemistry?

100

To make table salt, Sodium likes to bond with this ion.

What is Chloride?

100

The "E" in his famous equation E=mc2 stands for energy, not his name.

Who is Albert Eistein?

100

He

What is Helium?

100

The number of these defines the atom's element.

What are protons?

200

Anything that has mass and takes up space.

What is matter?

200

Salts are formed by this type of bond.

What is an ionic bond?

200

She was the most prominent researcher in radioactive substances.

Who is Marie Curie?

200

Cu

What is Copper?

200

These subatomic particles control bonding.

What are electrons?

300

In other words, the atomic number or element number.

What is the number of protons?

300

Quartz, sugar, ice, and salts, are all examples of solids in this form.

What is crystalline?

300

His atomic theory is named after the Greek word "atomos", meaning indivisible.

Who is John Dalton?

300

K

What is Potassium?

300

These subatomic particles have no charge.

What are neutrons?

400

This is the type of bond formed when two atoms share electrons.

What is a covalent bond?

400

The halogens like to form bonds with this group.

What are the alkali metals?

400

If you want to know how many atoms are in one mole, you better know this chemist's number.

Who is Amedeo Avogadro?

400

Ag

What is Silver?

400

The center of the atom.

What is the nucleus?

500
A molecule comprised of two or more different elements.

What is a compound?

500

Salts are frequently formed by this type of reaction.

What is an acid/base or neutralization reaction?

500

This man organized the periodic table of the elements so well, he could predict an element's properties before they were discovered.

Who is Dmitri Mendeleev?

500

Rn

What is Radon?

500

In the Bohr model of an atom, the negatively charged subatomic particles are organized into these energy levels.

What are orbitals?