Atoms
Identical particles in every element.
Inside gold
A piece of gold is made of tiny particles.
How alike are those particles?
What this lesson covers
The idea
Each element is made up of identical particles called atoms, which are different from the particles of any other element.
Inside gold
A piece of gold is made of tiny particles.
How alike are those particles?
- All identical
- All different
- Two kinds
Compare elements
Open each tab.
Atoms
Each element is made up of identical particles called atoms. The atoms of one element are different from the particles of any other element.
Each element is made of identical particles called atoms, different from the particles of any other element.
Notes
Each element is made of identical atoms, different from the atoms of any other element.
Check yourself
The particles that make up an element are called …
All the atoms of one element are …
Compared with the atoms of another element, the atoms of an element are …
An element made of the same type of particles is a …
- alloys. Alloys are mixtures of metals.
- mixtures. The particles of an element are atoms.
- atoms — correct. Yes!
- identical — correct. Yes!
- all different. They are identical.
- of two kinds. They are identical.
- the same. Atoms of different elements are different.
- different — correct. Yes!
- always bigger. They are different from those of any other element.
- mixture. Same type of particles means pure.
- solution only. It is a pure substance.
- pure substance — correct. Yes!