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You are currently taking the Difficult Atoms quiz

What is the symbol of Mercury
Ar
Hg
Na
Y

What is the atomic number of Scandium
18
21
24
22

What is the Boiling Point of Rhodium
3723 degrees C
3709 degrees C
3727 degrees C
4727 degrees C

What is the symbol of Gold
Y
Au
Ce
Na

What is the Freezing Point of Gold
2064 degrees C
1129 degrees C
1064 degrees C
1064 degrees C

What is the symbol of Palladium
Pd
Ir
W
Po

What is the symbol of Niobium
Nb
Ni
Tl
Es

What is the atomic weight of Berkelium
243.000
257.000
247.000
247.000

What is the Boiling Point of Dysprosium
2562 degrees C
2573 degrees C
3562 degrees C
2567 degrees C

At 0 degrees Centigrade which phase is Scandium in?
Liquid
Solid
Gas
Unknown

What is the symbol of Osmium
Co
Pa
Os
Lu

What is the Boiling Point of Argon
-106 degrees C
-193 degrees C
-186 degrees C
814 degrees C

What is the Freezing Point of Nickel
1460 degrees C
1458 degrees C
1453 degrees C
2453 degrees C

At 0 degrees Centigrade which phase is Lanthanum in?
Unknown
Liquid
Solid
Gas

What is the Boiling Point of Scandium
2878 degrees C
2832 degrees C
3832 degrees C
2832 degrees C

What is the Boiling Point of Thorium
5790 degrees C
4790 degrees C
4789 degrees C
4812 degrees C

What is the atomic weight of Bismuth
200.590
209.000
222.000
208.980

What is the Freezing Point of Thulium
1545 degrees C
1537 degrees C
1538 degrees C
2545 degrees C

What is the atomic number of Indium
47
50
53
49

At 0 degrees Centigrade which phase is Gold in?
Solid
Unknown
Liquid
Gas