history of astatine
physical/chemical properties and features.
location/occurance of astatine
identification
usage
100

the year of discovery

what is 1940?

100

state at room temperature

what is solid?

100

the period astatine is in

what is period 6?

100

atomic symbol

what is At?

100

particle accelerator most commonly using astatine

what is a cyclotron?

200

location of discovery

what is University of California?

200

the melting point

what is 302oC?

200

amount found on earth at one time

what is 30g?

200

atomic number

what is 85?

200

units used to measure atomic mass

what is amu?

300

the element that had been bombarded by alpha particles during the discovery experiment of astatine

what is bismuth?

300

the boiling point 

what is 337oC?

300

part of earth that astatine is found in

what is the earths crust?

300

colour

what is dark and metallic?

300

compound that mixes benzene and astatine

what is astatobenzene?

400

the people who synthesized astatine in 1940

who is Corson, MacKenzie and Segrè?

400

the atomic weight

what is 209.9871?

400

the change of state that would occur if having a large amount of astatine 

what is melting?

400
the name of the group astatine belongs to

what is halogens?

400

astatine compound [At(C5H5N)2]NO3

what is pyridine astatine nitrate?

500

the name proposed after a false discovery in 1931

what is albamine?

500

the number of neutrons in the neucleus 

what is 125?

500

the way astatine was created when discovered

what is experiments?

500

astatine follows the decay of...

what is thorium and uranium?

500

the kind of cancer astatine is being used to study treatments

what is ovarian cancer?