Atomic Mass
The atomic mass of calcium.
What is 40.08
The atomic number of Oxygen.
What is 8?
Tl
What is Thallium?
The valance electrons of Krypton.
What is 8?
The number of energy levels of Hydrogen.
What is 1?
The atomic mass of Lead.
What is 207.2?
The atomic number of Potassium.
What is 19?
Nb
What is Niobium?
The valance electrons of Beryllium.
What is 2?
The number of energy levels of argon.
What is 3?
The atomic mass of Holmium.
What is 164.93?
The atomic number of Silver.
What is 47?
Mc
What is Moscovium?
The valance electrons of Carbon?
What is 4?
The number of energy levels of Cobalt.
What is 4?
The atomic mass of Radium.
What is 226?
The atomic number of Barium?
What is 56?
Re
What is Rhenium?
The valance electrons of sulfur.
What is 6.
The number of energy levels of Bismuth.
What is 6?
The atomic mass of Tungsten.
What is 183.84?
The atomic number of Samarium.
What is 62?
Er
What is Erbium?
The valance electrons of Helium.
What is 2.
The number of energy levels of Actinium.
What is 7?