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MATTER
ANYTHING THAT HAS MASS AND TAKES UP SPACE
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MASS
IS THE AMOUNT OF MATTER IN AN OBJEC
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VOLUME
THE AMOUNT OF SPACE TAKEN UP, OR OCCOPIED BY AN OBJECT
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WEIGHT
THE MEASURE OF THE GRAVITATIONAL FORCE EXERTED ON AN OBJECT
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INTERIA
THE TENDANCY FOR AN OBJECT TO RESIST BEING MOVED OR, TO RESIST A CHANGE IN SPEED OR DIRECTION UNTIL AN OUTSIDE FORCE ACT ON IT
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ATOM
THE SMALLEST UNIT OF AN ELEMENT THAT MAINTAINS THE PROPERTIES OF THAT ELEMENT
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PROTON
A SUBATOMIC PARTICLE THAT HAS POSITIVE CHARGE AND THAT IS FOUND IN THE NUCLEUS OF AN ATOM
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NEUTRON
A SUBATOMIC PARTICLE THAT HAS NO CHARGE AND THTA IS FOUND IN THE NUCLEUS OF AN ATOM
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ELECTRON
A SUBATOMIC PARTICLE THAT HAS A NEGATIVE CHARGE
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NUCLEUS
IN PHYISCAL SCIENCE, AN ATOM'S CENTERAL REIGON, WHICH IS MADE UP OF PROTONS AND NEUTRONS
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ENERGY LEVEL
A DEFINE STABLE ENERGY THAT A PHYISCAL SYSTEM CAN HAVE; USED ESPICALLY OF THE STATE OF ELETRONS IN ATOMS OR MOLECULES
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ELEMENT
A SUBSTANCE THAT CANNOT BE SEPARTED OR BROKEN DOWN INTO SIMPLER SUBSTANCES BY CHEMICAL MEANS
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MOLECULE
THE SMALLEST UNIT OF A SUBSTANCES THAT KEEPS ALL OF THE PHYISCAL AND CHEMICAL PROPERTIES OF THE SUBSTANCE
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PERIOD
IN CHEMISRTY, A HORIZANTAL ROW OF ELEMENTS IN THE PERICODIC TABLE
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GROUP
A VERTICAL COLUNM OF ELEMENTS IN THE PERIODIC TABLE;ELEMENTS IN A GROUP SHARE CHEMICAL PROPERTIES
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PERIODIC
DESRIBES SOMETHING THAT OCCURS OR REPEATS AT REGULAR INTEVALS
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ION
A CHARGED PARICLE THAT FORMS WHEN AN ATOM OR GROUP OF ATOMS GAINS OR LOSES ONE OR MORE ELETRONS
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ISOTOPE
AN ATOM THAT HAS THE SAME NUMBER OF PROTONS AND AS OTHER OF THE SAME ELEMENT
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