Elements
The Periodic Table
Properties of Periodic Table
Theories of the Atom
Explaining the Atom
100

This element is the seventh element in the periodic table

What is Nitrogen?

100

This notable scientist predicted undiscovered elements in the periodic table and has an element named after them.

Who is Mendeleev?

100

Extremely reactive metals.

What are the alkali metals?

100

The key concept of this theory is that atoms are the fundamental building blocks of matter.

What is the Atom Model?

100

Particles with a positive charge found in the nucleus.

What are protons?

200

This element is represented by the letter K

What is potassium?

200

Vertical columns of elements in the periodic table.

What are groups/families?

200

Extremely reactive non-metals.

What are the halogens?

200

This theory suggested that atoms are composed of indivisible particles that are the same size, mass, and properties.

What is the Billiard Ball Model?

200

The number of protons in an atom which determines the element.

What is the atomic number (Z)?

300

This element is also the name of the fictional planet where Superman is from.

What is Krypton?

300

The name given to these elements in group 1

What are the alkali metals?

300

Reactive metals that burn brightly, often used in fireworks.

What are the alkaline earth metals?

300

After discovering the electron in the cathode ray tube experiement, J.J. Thomson gave this theory which states that atoms are positive charges with negative charges embedded within it

What is the Plum Pudding Model?

300

The number of protons and neutrons in the nucleus of an atom, given by the symbol A.

What is the Atomic Mass (A)?

400

This noble gas is used in store signs which gives these signs their namesake.

What is neon?

400

The name given to these elements in group2

What are the Alkaline Earth Metals?

400

Good conductors of heat and electricity, often having high melting points.

What are the transition metals?

400

This theory of the atom states that atoms are mostly empty space, based on evidence from the Gold Foil Experiment.

What is the Rutherford model?

400
Neutral atoms have the same number of these as they do protons.

What are electrons?

500

Pb is the Latin abbreviation for this metal

What is lead?

500

Stable gases that have a full valence shell.

What are the noble gases?

500

This family is the only family to contain elements that exists in all three states of matter.

What are the halogens?

500

The planetary model states that electrons are confined to these discrete paths around the nucleus. 

What are energy levels/orbits?

500

Atoms containing the same number of protons, but have a different numbe of neutrons?

What are isotopes?