Pure Substances & Mixtures
Periodic Table
Atomic Structure
Scientific Method
100

Salt water is an example of a...

Solution

100

The most stable family on the periodic table are the...

Noble Gases

100

The atomic number gives you what two pieces of information?

# of Protons & Electrons

100

The reason you are doing a lab is called...

Purpose

200

Trail Mix is an example of a...

Mechanical Mixture

200

Elements in the same period have the same number of...

Electron Shells

200

How do you find the number of neutrons?

Atomic Mass - Atomic Number

200

An educated guess of what will happen in the lab is called...

Hypothesis

300

Brass and Steel are examples of...

Alloys

300

Elements in the same family have the same number of...

Valence Electrons

300

How many electrons fit in the first, second, and third shells?

2, 8, 8

300

A chart, table, or diagram of what occurred in the lab is called...

Observations

400

Pure Substances are elements and...

Compounds

400

The group of elements that often react with the alkali medals...

Halogens

400

What element has zero neutrons?

Hydrogen

400

A series of questions about the lab’s observations is called...

Analysis