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Ch.4 Vocab. ;()

Elements and the Periodic Table

QuestionAnswer
The smallest particle of an element Atom
Negativatly charged particles Electron
The center core of the atom Nucleus
A positively charged particle that is a part of an atom's nucleus Proton
The specific amount of energy an electron has Energy Level
A small particle in the nucleus of an atom with no electrical charge. Neutron
The number of protons in the nucleus of an atom Atomic Number
An atom with different protons but same neutrons Isotope
The average mass of all the isotopes of an element Atomic Mass
Sum of protons and neutrons in an atom Mass Number
A chart of elements showing the repeating pattern of their properties Periodic Table
A horizontal row of elements in the periodic table Period
Elements in the same verticle atom Group
A one ot two letter representation Chemical Symbol
Elements that are good at conducting electric currents and heat Metal
A material that can be formed into flat sheets or other shapes Malleable
A material that can be formed into a long wire Ductile
The ability to transfer heat Thermal Conductivity
The ease and speed at wich a substance reacts with another substance Reactivity
The gradual wearing away of metal due to a chemical reaction Corrosion
Metals that react by loosing on of its electrons Alaki Metal
Moves atomic nuclei to their highest speed Particle Accelerator
An element that lacks most of the properties of a metal Nonmetal
Created by: lavatera
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