Noble gasses
Which is the second element in the periodic table.
Helium
What is the atomic number of calcium?
20
What is the first element in the Lanthanides section of the periodic table?
Lanthanum
Is Mercury (not the plant) dangerous for you?
Yes it is toxic
What is the atomic mass of Einsteinium?
252 u
What is the element beneath neon in the noble gases
Argon
When was lithium discovered?
1817
What is the atomic mass of Samarium?
150.36 u
What is the symbol gold on Transition metals?
AU
When was Neptunium discovered?
1940
What element in the noble gasses starts with the letter R
Radon
What is the only radioactive element alkaline earth metals?
Radium
What atomic number Cerium
58
What is iron used for?
To make steel and reinforced concrete etc.
What is uranium used for?
Nuclear power plants an nuclear bombs.
When was Krypton discovered
1898
How many electrons does Beryllium have?
4
When was erbium discovered?
1843
What is Hafnium used for in the Transition metals section of the Periodic Table?
To make control rods for nuclear submarines.
Who discovered Plutonium?
Glenn T. Seaborg.
What is the rarest element in the noble gases
xenon
What is the boiling point of Magnesium
1091°C or 1995.8°F
What is the boiling point of Ytterbium?
1195.85°C or 2184.53°F
Where can you find gold in the world
China,Australia, and South Africa
What is the boiling point of uranium?
4131°C or 7467.8°F