CK-12 Physical Science Concepts - For Middle School

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2.34 ATOMICFORCES

2.35 ATOMICNUMBER

2.36 IONS

2.37 ISOTOPES

2.38 DEMOCRITUS’ IDEA OF THEATOM

2.39 DALTON’SATOMICTHEORY

2.40 THOMSON’SATOMICMODEL

2.41 RUTHERFORD’SATOMICMODEL

2.42 BOHR’SATOMICMODEL

2.43 ENERGYLEVEL

2.44 ELECTRONCLOUDATOMICMODEL

2.45 MENDELEEV’SPERIODICTABLE

2.46 MODERNPERIODICTABLE

2.47 METALS

2.48 NONMETALS

2.49 METALLOIDS

2.50 VALENCEELECTRONS

2.51 HYDROGEN ANDALKALIMETALS

2.52 ALKALINEEARTHMETALS

2.53 TRANSITIONMETALS

2.54 GROUPS WITHMETALLOIDS

2.55 Halogens

2.56 NOBLEGASES

2.57 References