hypersensitivity
An atom is the smallest particle of a substance.
This particle is the neutron.
This particle is the electron.
No.
Water
An allergy. C for plato users
That is called an allergy.
An atom is the smallest particle of a substance.
a pure substance
This particle is the neutron.
An atom is the smallest particle of a substance.
atoms
no its not
then the particle is in substance existing in liquid or gases.
It is a molecule of the substance.
Molecule
The smallest particle of a substance that retains all the properties of the substance and is composed of one or more atoms is a molecule.