A card from a free library — ask anything, no account, works offline. Every card carries its source.
Scandium (Sc) — element 21
reference
Atomic number 21. Symbol Sc. Standard atomic weight 44.955908. The scandium atom carries 21 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_021
adjoining cards
- on the shelf of → The periodic table — the map of the elements — an element of the periodic table
- precedes → Calcium (Ca) — element 20 — the next element by atomic number (Z 20 → 21)
- 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 → Titanium (Ti) — element 22 — the next element by atomic number (Z 21 → 22)
Is this card incomplete? Tell the library — it will call out for more ↗