Which label belongs on a container of elemental mercury?
Объяснение
Mercury is identified by Hg, from the historical name hydrargyrum. Mg denotes a different element, while M and Me are name-based inventions and not valid symbols here.
Mercury is identified by Hg, from the historical name hydrargyrum. Mg denotes a different element, while M and Me are name-based inventions and not valid symbols here.