Periodic Table History
Atomic Trends
Groups of the Periodic Table
Know your elements
Models and Isotopes
Final Jeopardy
100
This was the first person to name the atom.

Who is Democritus?

100
A subatomic particle that has a positive charge.

What are Protons?

100

This group will never combine with any other element naturally.

What are Noble gases?

100

The period number tells you this information.

What is number of energy levels (shells)?

100

The number of protons and neutrons is represented by this.

What is Mass number?

200

First-Person to build and work on the Periodic Table

Who is Mendeleev?

200

The charge of a neutron

What is 0 (Neutral)?

200

The mast reactive metals.

What are alkali metals?

200

The semi-conductors on the periodic table are classified as this.

What is Metalloids?

200

Isotopes are atoms of the same element with different numbers of this.

What is Neutrons?

300

Came up with the model that says electrons travel in fixed orbits around the nucleus.

Who is Bohr?

300

The particles that make-up protons and neutrons.

What are Quarks?

300
The most reactive nonmetals.

What are Halogens?

300

This number can be used to determine the identity of an element.

What is the atomic number?

300

This noble gas does not have 8 valence electrons.

What is Helium?

400

The experiment did Rutherford use to develop his Nuclear Model.

What is the Gold Foil Experiment?

400

How many electrons can be held in the first energy level?

What are 2?

400

All elements in this group have 2 valence electrons.

What are alkaline earth metals?

400

Hydrogen's most common isotope has _____ protons and ____ neutrons.

What are 1 proton and 0 neutrons?

400

Draw a Bohr Model for the most common isotope of Sulfur


500

Explain JJ Thompson's Plum Pudding Model.

The atom is positively charged with negative particles embedded throughout.

500

The mass of an atom is in the _______ which contains the _______. The volume of the atom is in the _________ where the ______ are.

Where are the nucleus, protons and neutrons, electron cloud, and electrons?

500

This element is the only one in its group that belongs with the group number but not with the group name.

What is Hydrogen?

500

This element has 4 energy levels and is one of the rare earth metals.

What is Scandium?

500

Write the two types of isotope notation for the most common form of Sodium in nature.

What is Sodium-23 and 23Na?

500

Describes the 3 forces that hold the nucleus together.

Attractive force between the (+) nucleus and (–) electron cloud - Holds the atom together


Repulsive force between (–) electrons - Gives the electron cloud volume 


Repulsive force between (+) protons - An insane amount of energy holds the nucleus together