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September 19 Vocab

Published on Nov 19, 2015

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PRESENTATION OUTLINE

ATOM

THE BASIC PARTICLE FROM WHICH ALL ELEMENTS ARE MADE
Photo by Leo Reynolds

ELECTRON

A TINY, NEGATIVELY CHARGED PARITCLE THAT MOVES AROUND THE OUTSIDE OF THE NUCLEUS OF AN ATOM
Photo by MohammadHasan

NUCLEUS

THE CENTRAL CORE OF AN ATOM WHICH CONTAINS PROTONS AND NEUTRONS
Photo by Exothermic

PROTON

SMALL, POSITIVELY CHARGED PARTICLES THAT ARE FOUND IN THE NUCLEUS OF AN ATOM

ENERGY LEVEL

A REGION OF AN ATOM IN WHICH ELECTRONS OF THE SAME ENERGY LEVEL ARE LIKELY TO BE FOUND
Photo by Hindrik S

NEUTRON

A SMALL PARTICLE IN THE NUCLEUS OF THE ATOM, WITH NO ELECTRICAL CHARGE

ISOTOPE
An atom with the same number of protons and a different number of neutrons from other atoms of the same element

Photo by Yorkaholic

ATOMIC MASS

THE AVERAGE MASS OF ALL THE ISOTOPES OF AN ELEMENT

CHEMICAL SYMBOL

A ONE- OR TWO- LETTER REPRESENTATION OF AN ELEMENT
Photo by kevin dooley

PERIOD

A HORIZONTAL ROW OF ELEMENTS IN THE PERIODIC TABLE

GROUP

ELEMENTS IN THE SAME VERTICAL COLUMN OF THE PERIODIC TABLE
Photo by JD Hancock

Metal
A CLASS OF ELEMENTS CHARACTERIZED BY PHYSICAL PROPERTIES THAT INCLUDE SHININESS, MALLEBILITY, DUCTILITY, AND CONDUCTIVITY

Photo by i k o

LUSTER

THE WAY A MINERAL REFLECTS LIGHT FROM ITS SURFACE
Photo by salendron

MALLEABLE

A TERM USED TO DESCRIBE MATERIAL THAT CAN BE HAMMERED OR ROLLED INTO FLAT SHEETS

Reactivity
The ease and speed with which an element combines, or reacts, with other elements and compounds

CORROSION

THE GRADUAL WEARING AWAY OF A METAL ELEMENT DUE TO A CHEMICAL REACTION

NONMETAL

AN ELEMENT THAT LACKS MOST OF THE PROPERTIES OF A METAL

HALOGEN

AN ELEMENT FOUND IN GROUP 17 OF THE PERIODIC TABLE
Photo by blentley

NOBLE GAS

AN ELEMENT IN GROUP 18 OF THE PERIODIC TABLE
Photo by hartp

SEMICONDUCTOR

A SUBSTANCE THAT CAN CONDUCT ELECTRIC CURRENT UNDER SOME CONDITIONS
Photo by oskay