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Helium (He) — element 2
reference
Atomic number 2. Symbol He. Standard atomic weight 4.002602. The helium atom carries 2 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_002
adjoining cards
- on the shelf of → The periodic table — the map of the elements — an element of the periodic table
- precedes → Hydrogen (H) — element 1 — the next element by atomic number (Z 1 → 2)
- 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 → Lithium (Li) — element 3 — the next element by atomic number (Z 2 → 3)
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