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THE ATOM
CHEMIST DISCOVERERS
ELEMENTS
USES OF ELEMENTS
PERIODIC TABLE
100
HE IS CHIEFLY RESPONSIBLE FOR THE THEORY OF THE ATOM.
WhO IS DALTON
100
HE IS RESPONSIBLE FOR THE PERIODIC TABLE
WhO IS MENDELEEV
100
THIS ELEMENT HAS THE SHORTEST HALFLIFE
What is FRANCIUM
100
A UNIT OF TIME KNOWN COMMONLY AS THE SECOND IS MEASURED BY MIGRATIONS OF THIS METAL.
What is CESIUM
100
THE FAR RIGHT COLUMN OF THE P.T. CONTAINS THESE ELEMENTS THAT ARE KNOWN AS THESE.
What ARE THE INERT OR NOBLE GASES
200
ONLY THIS PARTICLE OCCUPIES A SHELL.
What is AN ELECTRON
200
HE DISCOVERED OXYGEN
WhO IS LAVOISIER
200
ELEMENTS FOUND AS PART OF ORES ALONE ARE TERMED THESE.
What ARE NATIVE ELEMENTS
200
THIS ELEMENT IS USED TO PROTECT US AGAINST X-RAYS
What is LEAD
200
THE TOP RIGHT OF THE P.T. CONTAINS ELEMENTS THAT ABSORB PROTONS AT WILL. THESE ELEMENTS ARE KNOWN AS THE.
What ARE THE HALOGENS
300
THE SUM OF NEUTRONS & PROTONS GIVE THIS TERM
What is THE ATOMIC MASS OR WEIGHT
300
HE DISCOVERED THE NEUTRON
WhO IS JAMES CHADWICK
300
BRASS IS AN ALLOY MADE OF THESE 2 ELEMENTS.
What ARE COPPER & TIN
300
ELEMENTS THAT DON'T FREQUENT NATURE THAT MUCH NOR IN HIGH AMOUNTS ARE TERMED THESE.
What ARE THE RARE EARTH ELEMENTS
400
THE ATOM IS HELD TOGETHER BY WHICH FORCE.
What is THE WEAK NUCLEAR FORCE.
400
HE DISCOVERED THE PROTON.
WhO IS LORD RUTHERFORD
400
THIS DANGEROUS METAL IS LIQUID AT ROOM TEMP.
What is MERCURY
400
THIS ELEMENT IS USED TO MAKE CATALYTIC CONVERTERS.
What is PLATINUM
400
THE FAR LEFT 2 COLUMNS ARE TERMED THESE.
What ARE THE ALKALI METALS
500
FOR NUCLEAR FUSION TO OCCUR, PROTONS MUST OVERCOME WHAT TO FUSE TO PROTONS
What is WEAK NUCLEAR FORCE
500
HE DISCOVERED THE ELECTRON
WhO IS J.J. THOMSON
500
THESE 3 ELEMENTS ARE PRIZED FOR THEIR ELECTRICAL CONDUCTANCE.
What ARE GOLD, COPPER, & SILVER
500
THIS METAL IS USED AS A METAL ROD OR SCREW IN SURGERY BECAUSE IT IS INERT TO THE BODY IN THIS FORM.
What is TITANIUM
500
THE MIDDLE ROWS OF THE TABLE FEATURE THESE.
What ARE METALS & METALLOIDS