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Francium (Fr) — element 87
reference
Atomic number 87. Symbol Fr. Standard atomic weight 223.0. The francium atom carries 87 protons in its nucleus; its place in the periodic table is fixed by that count. Verified reference data.
source
Verified reference — chemistry
card id
card_ref_el_087
adjoining cards
- on the shelf of → The periodic table — the map of the elements — an element of the periodic table
- precedes → Radon (Rn) — element 86 — the next element by atomic number (Z 86 → 87)
- on the shelf of → The created order — the science of the floor — an element of the created order (Genesis 1) — matter God spoke into being
- precedes → Radium (Ra) — element 88 — the next element by atomic number (Z 87 → 88)
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