elements (heavy)

Ag

Silver

Au

gold

Br

Bromine

I

Iodine

Nd

Neodymium

Pb

Lead

Ra

Radium

Sn

Tin

W

Tungsten

As

Arsenic

Ba

Barium

Hg

Mercury

Kr

Krypton

Np

Neptunium

Pt

Platinum

Rn

Radon

U

Uranium

Xe

Xenon