warm up question
DESCRIPTION
Warm Up Question. Name the three subatomic particles. List anything you think you might know about them. Matter & The Atom. Matter. Anything that has mass and takes up space (has volume) Made up of different kinds of atoms. All matter is made of atoms. Atomic Structure. Protons. - PowerPoint PPT PresentationTRANSCRIPT
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Warm Up Question
– Name the three subatomic particles.– List anything you think you might
know about them.
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Matter &The Atom
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Matter
Anything that has mass and takes up space (has volume)
Made up of different kinds of atoms
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All matter is made of atoms
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Atomic Structure
Atomic Structure
Inside Nucleus
Protons
Neutrons
Outside Nucleus-Electrons
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Atomic Structure
Electrons
Tiny
Negative charge
Move outside the nucleus
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Atomic Structure
Protons
Big
Positive charge
Inside the nucleus
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Atomic Structure
Neutrons
Big
No charge: neutral
Inside the nucleus
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energy levelenergy level
nucleunucleuss
electronelectronss
+ +
++
protonsprotons
neutronneutronss
--
--
Atomic StructureAtomic Structure
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Describing Atoms
Atomic Number = # of protons
the # of protons = the # of electrons
Atomic Mass Number = protons + neutrons.
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Valence Electrons: Only the electrons in the outer shell of an atom
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Think About It…
Make a Brace Map of an Atom. Break it down into its three subatomic particles and list a few characteristics of each.