Atomic Number
Ca
What has atomic number of 20?
Atomic Mass of Hydrogen.
Which element weighs 1 AU?
Fluorine
Nonmetal
Period 1
Na
Solid
Si
What has atomic number of 14?
Atomic mass of Oxygen.
Which element weighs 16 AU?
Sulfur
Nonmetal
Group of H
He
Gas
Cd
What has atomic number of 48?
Atomic Mass of Radon
What has atomic weight of 222?
Calcium
Metal
Period of Na
Period 3
Kr
Gas
Atomic number 36
What is the atomic number of Krypton?
What is the atomic mass of Carbon?
Pb
metal
Group of P
Group 15
Sn
Solid
Atomic number of 67
What is the atomic number of Holmium?
Atomic mass of 22.990?
What is the atomic mass of Na? (Sodium)
Si
Metalloid
Period of Fr
Period 7
liquid