7.3 Elements: Inside The Story

Question 1

Atoms

Answer 1

A very small particle that makes up all things. Atoms have the same properties as the objects they make up.

Question 2

Atomic number

Answer 2

Number of protons in the nucleus of an atom. The atomic number determines which element an atom is.

Question 3

Chemical symbol

Answer 3

The standard way that scientists write the names of the elements. It is done by using a capital letter and a lower case letter E.G Carbon is C and copper is Cu