Vocabulary
Atomic Theories
Periodic Table Families
Periodic Table Trends
Find the Element
100

Subatomic particle with a neutral charge

What is a neutron?

100

The theory that atoms are tiny solid spheres

What is the solid sphere model? (John Dalton)

100

This family contains elements such as fluorine, chlorine, bromine, and iodine.

What are the halogens?

100

Metals are found on this side of the periodic table.

What is left?

100

This element is group 2 period 3

What is Mg (magnesium)?

200

The centre of an atom, containing the protons and neutrons

What is the nucleus?

200

The most modern model, where electrons act like waves.

Quantum model (Erwin Schrodinger)

200

Elements in this family react strongly with water!

What are the alkali metals

200

The name of this trend means to have "affection" for electrons.

What is electron affinity (or electronegativity)?

200

This element is an alkali metal in period 7

What is Fr (francium)?

300

The smallest unit of matter

What is an atom?

300

Theory where electrons orbit the nucleus in fixed energy levels/orbits. 

Planetary Model (Neils Bohr)

300

Elements in this family can have various different charges.

What are the transition metals?

300

Elements that love electrons live on this side of the periodic table

What is right?

300

This element is the halogen in period 4

What is Br (Bromine)?

400

The number of protons in an atom of the element.

What is atomic number?

400

This chemist discovered electrons!

JJ Thomson

400

Elements in this family are neutral and don't like to react.

What are the noble gases?

400

This element has the highest electronegativity. 

What is fluorine?

400

This element is group 8 period 4.

What is Fe (Iron)?

500

The sum of #protons and #neutrons

What is atomic mass?

500

The first model with the nucleus in the middle of the atom. 

Nuclear Model (Ernest Rutherford)

500

This family of metals contains elements that are naturally found on the planet.

What are the Alkaline Earth Metals?

500

This trend represents the amount of energy it takes to remove an electron from the element.

What is ionization energy?

500

This element is the noble gas in period 3

What is Ar (Argon)?

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