unit two atom

Meer zoals dit

Matter and Chemical Change

door Kevin Challoner

Lattice Enthalpy

door Rohan Malvi

Development of the Atom By: Cindy Nguyen

door Cindy Nguyen

Science Notes 192-196

door Junaid Mubashir

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