Atoms and Elements

HideShow resource information
What are materials made from?
Very small particles called atoms
1 of 10
What is an element?
A material that contains only one type of atom
2 of 10
About how many elements are there?
About 100, they are displayed on the Periodic Table
3 of 10
What is a mixture of metals called?
Alloys
4 of 10
What are the three types of particles atoms are made of?
Protons, neutrons and electrons
5 of 10
Which of the three particles are found in the nucleus of an atom?
Protons and neutrons
6 of 10
What is the atomic number?
The number of protons in an atom
7 of 10
What is a compound?
A compound is a substance formed when the atoms of two or more different elements are joined together by a chemical reaction
8 of 10
What properties does a compound have?
Very different properties from the elements it was made from
9 of 10
What is a molecule?
A molecule is formed when a small group of atoms are joined together. The atoms can be the same (e.g hydogen) or different (e.g carbon dioxide)
10 of 10

Other cards in this set

Card 2

Front

What is an element?

Back

A material that contains only one type of atom

Card 3

Front

About how many elements are there?

Back

Preview of the front of card 3

Card 4

Front

What is a mixture of metals called?

Back

Preview of the front of card 4

Card 5

Front

What are the three types of particles atoms are made of?

Back

Preview of the front of card 5
View more cards

Comments

No comments have yet been made

Similar All resources:

See all All resources »See all Atoms and Elements resources »