A card from a free library — ask anything, no account, works offline. Every card carries its source.
Technetium (Tc) — element 43
reference
Atomic number 43. Symbol Tc. Standard atomic weight 98.0. The technetium atom carries 43 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_043
adjoining cards
- on the shelf of → The periodic table — the map of the elements — an element of the periodic table
- precedes → Molybdenum (Mo) — element 42 — the next element by atomic number (Z 42 → 43)
- 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 → Ruthenium (Ru) — element 44 — the next element by atomic number (Z 43 → 44)
Is this card incomplete? Tell the library — it will call out for more ↗