Subatomic Particles
Numbers
Reactions
Elements
Periodic Table
100

Protons have this charge.

Positive (+)

100

The maxiumum number of electrons in the 2nd energy shell

What is 8?

100

Baking ingredients into a cake is an example of this.

What is a chemical change?

100

Neon and Argon are examples of this.

What are Noble Gases?

100

Elements that are the most abundant on the periodic table.


What is a Metal?

200

Atomic number minus the number of protons gives you this. 

What is atomic mass?
200
Ions with a 3- charge

What are group 15 elements?


200

This is evidence that a chemical change is taking place.

What are heat, light, color or odor change, or a precipitate forming?

200

Si

What is Silicon?
200

The element in group one that is not a metal.

What is hydrogen?

300

The names of the 3 subatomic particles

What are protons, neutrons, and electrons?

300

7

What is the atomic number of Nitrogen?

300

When two non-metals form a compound.

What is a covalent (or molecular) compound?

300

This element is the largest atom, due to it's lose hold on it's electrons.

What is Francium?

300

These form anions.

Non-metals

400

Ions are made in what way.

What is losing (stealing) or gaining electrons?

400

1 substance undergoes a reaction and breaks apart into 2

What is a decomposition reaction?

400

When hydrogen and a metal form an ionic compound.

What is a binary acid

400

Group 17 elements are these.

What are Halogens?

400

The sum of protons and neutrons in the nucleus of an atom is known as the _________

What is the atomic mass?

500

The atomic number tells us this.

What is the number of protons?

500

P2O5

What is Diphosphorous Pentoxide?

500

A neutralization reaction is a specific form of this type of reaction.

What is a double displacement reaction?

500

Diatomic elements that are gases at room temperature.

What is HOFBrINCl?

500

The scientist who discovered the periodic table

Who is Dmitri Mendeleev?