Chemical Reactions
The Atom
The periodic table
Rate of reactions
100

Can chemical reactions be broken down or bonded together?

Yes

100

What is the smallest particle in which elements can be divided and still be the same element.

A atom

100

What is the periodic table?

The arrangement of elements

100

What can speed up chemical reactions?

Catalyst 
200

What is a chemical reaction?

Where atoms are rearranged to produce new substances.

200

Who was Democritus?

A greek philosopher who discovered that everything is made out of atoms

200

Who created the periodic table?

Mendeleev 

200

What does a inhibitor do?

It slows down the chemical reaction
300

What is a subscript?

The number written below the right of the chemical.

300

What does AMU stand for?

Atomic Unit Mass

300

What were mellatoids

They are elements that have some properties of metals and nonmetals.

300

What is a example of a catalyst?

Fire burning

400

What is the law of conversation of mass?

Matter can be neither be created or destroyed.

400

What is mass number.

The total number of protons and neutrons.

400

What are valence electrons?

They are the outer most electron of a atom.

400

What is a example of a inhibitor?

Freezing something

500

What is a chemical formula?

Chemical symbols/numbers that representa given relationship.

500

Who discovered electrons?

J.J thomson

500

Why is the periodic table useful to scientist.

It makes a clear understanding of elements

500

Can a catalyst affect amount of atoms?

No.