Subatomic particles
History of the Atom
Electron Dot Diagrams
Element Famililes
Periodic Table
100

The three types of subatomic particles.

What are protons, neutrons and electrons?

100

Dalton believed atoms were like these.

What are billiard Balls (small and indivisible)

100

The electron dot structure for Calcium would have this many dots representing Valence Electrons. 

2

100

This family is the most reactive on the periodic table.

What are the alkali metals?

100

This number often found at the bottom of a periodic table square and that can be used to find the number of neutrons in an atom.

What is the atomic mass number?

200

The negatively charged subatomic particle.

What is an electron?

200

Thomson believed atoms were like these.

What is Chocolate chip ice cream, plum pudding, or chocolate chip cookie (subatomic particles)

200

The electron dot diagram for Sulfur would have this many dots representing valence electrons. 

6

200

This family is known for having full valence shells. 

What are the Noble Gases?

200

The abbreviated form of the element name.

What is the chemical symbol?

300
The positively charged subatomic particle.

What is a proton?

300

Rutherford thought atoms looked like these. 

What is a cherry with a pit (nucleus)

300

The electron dot diagram for Arsenic would have this many dots representing valence electrons.

5

300

This group of elements is found on the stair step divide between metals and non metals

What are the Metalloids?

300

This number reveals the number of protons and electrons an element has.

What is the atomic number?

400
The neutral subatomic particle.

What is a neutron?

400

Bohr thought the atom looked like this. 

What is the solar system (electron orbit)

400

The electron dot diagram for Potassium would have this many dots representing valence electrons.

1

400

These elements are found in group 2 of the periodic table.

What are the alkaline earth metals?

400

This is the word used for horizontal rows on the periodic table. 

What are periods?
500

Where each of the subatomic particles are found.

What is the electron cloud (electrons) and the nucleus (protons and neutrons)?

500

The current model says that an atom looks like this.

What is A cotton ball (dense middle with electrons somewhere in the outer material)

500

The electron dot diagram for Helium would have this many dots representing valence electrons.

2

500

These elements are found in group 17 of the periodic table.

What are the halogens?

500

This is the word used for vertical columns on the periodic table.

What are groups?

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