Periodic table
What does Al mean on the Periodic table
Aluminum
how many shells does Hydrogen have
1
How many metals are in the periodic table
91 metals
What does O and H mean on the periodic table
Oxygen and Hydrogen
How many shells does iron have
4 shells
How many nonmetals are in the periodic table
17 nonmetals
what's the atomic number for Xenon on the periodic table
54
how many shells does Radon have
6 shells
How many Metalloids are in the periodic table
6 metalloids
Who discovered oxygen
Carl Wilhelm Scheele and
Joseph Priestley
how many shells does Radium have
7
How many Recently discovered metals are there
4
Who made the periodic table
Dmitri Mendeleev
How many electrons does Hassium have
108 electrons
How many elements are on the periodic table
118