ELECTRICAL CONDUCTIVITY AND METALS Flashcards
ELECTRIC CURRENT IS (…)
A FLOW OF ELECTRONS OR IONS
ELECTRONS HAVE A (…)
NEGATIVE CHARGE
IONS HAVE (…)
NEGATIVE OR POSITIVE CHARGE
WHEN ELECTRONS OR IONS MOVE THEY CAN CAUSE THE MATERIAL THEY ARE IN TO (…)
CONDUCT ELECTRICITY
THE ELECTRIC CURRENT IS (…)
THE FLOW OF THE ELECTRONS OR IONS
IONIC COMPOUNDS ONLY CONDUCT ELECTRICITY WHEN (…)
MOLTEN OR IN SOLUTION
IONIC COMPOUNDS ARE MADE OF (…)
A LATTICE OF POSITIVE AND NEGATIVE IONS
SOLID IONIC COMPOUNDS DONT CONDUCT (…)
ELECTRICITY BECAUSE THE IONS ARENT ABLE TO MOVE AROUND
HEN AN IONIC COMPOUND IS DISSOLVED (…)
THE IONS SEPARATE AND ARE ABLE TO MOVE IN THE SOLUTION THAT MEANS THAT THE COMPOUND CAN CONDUCT ELECTRICITY
WHEN AN IONIC COMPOUND MELTS (…)
IONS ARE ABLE TO MOVE SO THE COMPOUND CAN CONDUCT ELECTRICITY
METALS ARE HELD TOGETHER BY (…)
METALLIC BONDING
HOW IS THE METAL’S STRUCTURE
-METALS HAVE A GIANT STRUCTURE OF POSITIVE IONS SURROUNDED BY A SEA OF DELOCALISED ELECTRONS
WHAT IS A METALLIC BONDING
THE ELECTROSTAIC ATTRACTION BETWEEN THE NUCLEI OF THE POSITIVE IONS AND THE ELECTRONS
WHAT GIVES METALS PROPERTIES
THE METALLIC BONDING
METALS ARE GOOD FOR (…)
GOOD CONDUCTORS OF ELECTRICITY AND HEAT
HOW CAN METALS PRODUCE ELECTRICITY
THANKS TO THE DELOCALISED ELECTRONS THAT MOVE THROUGH THE STRUCTURE
WHAT DOES THE MOVEMENT OF ELECTRONS ALSO MEANS
THAT ENERGY CAN BE TRANSFERRED QUICKLY THROUGH THE MATERIAL, SO METALS ARE GOOD CONDUCTORS OF HEAT
WHAT MAKES METALS MALLEABLE
THE LAYERS OF IONS IN A METAL THAT CAN SLIDE OVER EACH OTHER
WHAT DOES IT MEAN THAT METAL IS MALLEABLE
IT MEANS THAT THEY CAN BE HAMMERED OR ROLLED INTO FLAT SHEETS
