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Transcript
INtro to matter vocab
atom
★ The basic unit of all
matter
★ The smallest unit of an
element consisting of
protons, neutrons, and
electrons
Matter
★ Anything that has mass and takes
up space
Periodic Table
★ Contains almost 120 known elements
★ A large grid organized into rows and columns
Element
★ Elements are identified by the number of
protons
★ Atoms with specific characteristics
Electron
★ Found whizzing around nucleus in
areas called orbits
★ Small
★ Have a negative charge
Neutron
★ Larger
★ Found in the nucleus
of an atom
★ Have a neutral charge
or a charge of zero
★ Atomic mass - atomic # = # of
neutrons
Proton
★ Larger
★ Found in the nucleus
of an atom
★ Have a positive
charge
★ # of protons = atomic #