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Periodic Table 1

This stack will introduce you to the characteristics of the periodic table

TermDefinition
Periodic Table a list that shows the chemical elements arranged according to their properties
Groups/Family a vertical column on the periodic table
Periods name given to a horizontal row of the periodic table
Electrons subatomic particle with a negative charge and located outside the nucleus
Element composed of one kind of atom that have the same atomic number
Metals An element below and to the left of the stair-step line of metalloids; about 80% of the known elements are metals.
Non-Metals An element above and to the right of the stair-step line of metalloids. Are not able to conduct electricity or heat very well.
Metalloids An element with properties of both metals and nonmetals located along the stair-step line on the right side of the periodic table.
Ductile the ability to be stretched into a thin wire
Malleable the ability to be hammered into a thin sheet
Insulator a material that allows little or no heat, electricity or sound to go into or out of something
Conductor A material that let electrical currents to pass through
endothermic reaction A chemical reaction in which heat energy is absorbed.
exothermic reaction A chemical reaction in which heat energy is given off.
Created by: meekinsscience
 

 



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