General Questions about the Periodic Table
What's the first element on Periodic Table?
Hydrogen
What is the symbol of Sulfur?
What is the atomic number of Beryllium?
4
What is the atomic mass of Helium?
4
What element is C?
How many valence electrons does Aluminum have?
3
What is the symbol of Arsenic?
As
What is the atomic number of Chlorine?
17
What is the atomic mass of Oxygen?
16
What element is K?
Potassium
7
What is the symbol of Silicon?
What is the atomic number of Calcium?
20
What is the atomic mass of Sodium?
22.99
What element is Ne?
Neon
75
What is the symbol of Tungsten?
What is the atomic number of Silver?
47
What is the atomic mass of Bromine?
79.90
What element is Fe?
Iron
How many Lanthanides and Actinides are there?
28
What is the symbol of Antimony?
Sb
What is the atomic number of Polonium?
What is the atomic mass of Vanadium?
50.94
What element is Pd?
Palladium