Types of Matter
Chemical Reactions
Crystals
Matter & Atoms
Periodic Table
100

Basic building blocks of life

Atoms

100

A reaction that gives off heat is

Exothermic

100

How many dimensions are crystals

3-Dimensions

100
This is anything that takes up space (has a mass).
matter
100
Atomic numbers of an atom are the same as the number of what in an atom?
protons
200

two or more atoms or elements bonded together

molecule

200

Carbon Dioxide filling the balloon is an example of what evidence of a chemical reaction?

Formation of a gas

200

Crystals have two halves that are identical to each other, this is known as...

Symmetrical

200
The smallest pieces of matter are called __________.
atoms
200

H is the symbol for

Hydrogen

300

What is a compound

two or more different atoms/elements bonded together

300

Baking Soda & Vinegar Mix to produce what?

Water, Carbon Dioxide, Sodium Acetate

300

What element are diamonds made from?

Carbon

300

These particles are negatively charged and are found outside the nucleus in shells.

Electrons

300
The symbol for Sodium is

Na

400

Two or more elements not joined

Mixture

400

What is a chemical reaction?

Chemical interact to form new chemicals

400

What is the most common natural crystal?

Quartz

400

These particles have a positive charge and are found inside the nucleus.

Protons

400

How many protons does Magnesium have?

12 - same as the atomic number

500

substances that are made up of only one kind of particle and have a fixed or constant structure

Pure Substance

500

What are 5 signs of chemical changes?

Change of Temperature

Change of Colour

Formation of Gas

Formation of Solid (Precipitate)

Odor Change

Energy Change (Light or Heat)

500

How are atoms arranged in crystals?

in highly ordered, repeating patterns.

500

Most of the mass of an atom is located here

In the Nucleus

500
How many neutrons does Aluminum have?

14