Heavy metals only mercury, lead and bismuth meet all of them. Despite this lack of agreement, the term (plural or singular) is widely used in science. A density of more than 5 g/cm is sometimes quoted as a commonly used criterion and is used in the body of this article. The earliest known metals—common metals such as iron, copper, and tin, and precious metals such as silver, gold, and platinum—are heavy metals. From 1809 onwards, light metals, such as magnesium, aluminium, and titanium, were discovered, as well as less well-known heavy metals including gallium, thallium, and hafnium. Some heavy metals are either
Element Girl and joins the mission to the elevated coast of New Themyscira. After the death of Billy Batson, Emily uses her powers to protect the remaining children alongside Cyborg. Emily Sung appears in "DC Bombshells". Like Metamorpho's original powers, Element Girl (and Element Woman) could transform her body into any of the elements naturally found in the human body and shape them at her will. She can change her hair color using metals, and she can create silicate faces that fall off after a while. She uses the faces for ashtrays. She said she once tried to transmutate her body into