Luokat: Kaikki - electron - atom - matter - particles

jonka kayla baker 6 vuotta sitten

404

unit two atom

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