Kategoriak: All - electron - atom - matter - particles

arabera kayla baker 5 years ago

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unit two atom

An atom serves as the fundamental building block of all matter, being the smallest particle of an element that still retains the element's properties. Atoms consist of three main subatomic particles:

unit two atom

What is an atom?

Subatomic Particles

Electron
found outside nucleus (electron cloud)
-1 charge
almost 0 mass
neutral atom if number of protons is equal to electrons
Neutron
separates protons
0 charge
same mass a proton
= to protons + electrons
Proton
attracted to electron
atomic number = number of protons
same mass as neutron
+1 charge
found in nucleus

Smallest particle of an element that possesses the properties of the element

elements are made of atoms

Everything is made of atoms

fundamental building block of matter