Radium

Do you know your facts about radium? All these questions relate to the most stable isotope of radium, radium 226.

 

Quiz ID:	#9550
Fun:	(2.31)
Difficulty:	(1.73)
Category:	Science > Chemistry
Created By:	friesaregood

 

#1   During which year was radium first isolated?

1898
1998
1889
1988
1703

#2   Radium was first isolated by Marie Curie and her brother Pierre Curie.

True
False

#3   Years ago, radium was used in luminescent paint. Why was the use of radium in paint discontinued?

The radium was all used up.
Not enough people were willing to go through the laborious extraction process.
The factories for it were shut down by the government.
Radium is radioactive.

#4   Radium is more deadly than barium.

True
False

#5   The number of protons in radium is equal to its electrons.

True
False

#6   Pure radium is a silvery white. Which color does it change into when it is exposed to air?

Blue
Gray
Black
Pink
It doesn't change.

#7   Radium comes from radon.

True
False

#8   What is the atomic mass of radium rounded to the nearest thousandth?

226.022
226.025
226.000
226.001

#9   When mixed with water, radium becomes part of a compound.

True
False

#10   At 77 degrees Fahrenheit, is radium a solid, liquid, or gas?

Solid
Liquid
Gas

 

 

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