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Physical Science

Chapter 17

Question/TermAnswer/Definition
Sum of Protons and Neutrons in the nucleus Mass number.
Region where Electrons are found Electron cloud.
Vertical Columns of Periodic Table Group.
Weighted Average Mass of he Mixture of its Isotopes Average atomic mass.
Represents Electrons in Outer Energy Level of an Element Electron dot diagram.
Atoms of same Elements but different numbers of Neutrons Isotopes.
Number of Protons in an Atom's Nucleus Atomic number.
Horizontal Row in the Periodic Table Period.
Smallest known Particles that makes up Protons and Neutrons Quark.
Developed an Early Periodic Chart Dmitri Mendeleev.
Mass of an Atomic Mass Unit 1.67 X 10^-24g.
Elements on Left Side of Periodic Table Metals.
Elements between Groups 4-7 Transition Elements.
Created by: Destroy