A card from a free library — ask anything, no account, works offline. Every card carries its source.
Argon (Ar) — element 18
reference
Atomic number 18. Symbol Ar. Standard atomic weight 39.948. The argon atom carries 18 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_018
adjoining cards
- on the shelf of → The periodic table — the map of the elements — an element of the periodic table
- precedes → Chlorine (Cl) — element 17 — the next element by atomic number (Z 17 → 18)
- 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 → Potassium (K) — element 19 — the next element by atomic number (Z 18 → 19)
Is this card incomplete? Tell the library — it will call out for more ↗