NarrowHighway

A card from a free library — ask anything, no account, works offline. Every card carries its source.

Lutetium (Lu) — element 71

reference

Atomic number 71. Symbol Lu. Standard atomic weight 174.9668. The lutetium atom carries 71 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_071

related in the keeping ↗ · raw JSON ↗

adjoining cards

Is this card incomplete? Tell the library — it will call out for more ↗