Related MeSH Hierarchy (6)
Chemicals and Drugs [D] » Inorganic Chemicals [D01] » Elements » Elements, Radioactive » Francium
Chemicals and Drugs [D] » Inorganic Chemicals [D01] » Elements » Metals, Alkali » Francium
Chemicals and Drugs [D] » Inorganic Chemicals [D01] » Elements » Metals, Heavy » Francium
Chemicals and Drugs [D] » Inorganic Chemicals [D01] » Isotopes » Radioisotopes » Elements, Radioactive » Francium
Chemicals and Drugs [D] » Inorganic Chemicals [D01] » Metals » Metals, Alkali » Francium
Chemicals and Drugs [D] » Inorganic Chemicals [D01] » Metals » Metals, Heavy » Francium
Description
A radioactive alkali metal with the atomic symbol Fr, and atomic number 87. The mass numbers of known isotopes are 204-213, 217-224. Its valence is +1. MeSH
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