Periodic Table
What is the name of element number 16?
Sulfur
Which element has 48 protons?
Cd, Cadmium
What element has the elemental symbol I?
Iodine
What element is a solid named after a state with 98 protons?
Californium
What does the group number tell you and what does the period number tell you?
Period number state the number of electron shells.
Group number states the number of valence electrons.