Atoms, molecules, elements and compounds Flashcards
1
Q
What is a atom
A
The smallest unit of matter that can exist.
2
Q
What is a molecule
A
the smallest particle in an element or compound. It is made up of atoms.
3
Q
What is an element
A
made up of only 1 type of atom and It cannot be broken down using chemical reactions
4
Q
What is a compound
A
made up of 2 or more types of atoms and has a fixed ratio
