A card from a free library — ask anything, no account, works offline. Every card carries its source.
Potassium (K) — element 19
reference
Atomic number 19. Symbol K. Standard atomic weight 39.0983. The potassium atom carries 19 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_019
adjoining cards
- on the shelf of → The periodic table — the map of the elements — an element of the periodic table
- precedes → Argon (Ar) — element 18 — the next element by atomic number (Z 18 → 19)
- 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 → Calcium (Ca) — element 20 — the next element by atomic number (Z 19 → 20)
Is this card incomplete? Tell the library — it will call out for more ↗