Year 9 Intro to chemistry

The periodic table organises elements by

electrons have what charge

Protons have a * charge

Chemistry is the study of

the first mention of the atom was in

Neutrons have a negative charge

Atoms are tiny particles that make up matter

protons are located within the atomic nucleus

neutrons are located in the

A compound is made up of only one type of atom

What is matter?

The modern understanding of the atom stems from Daltons work

Where are electrons located?