Compare elements

20 comparisons designed to make periodic patterns visible rather than memorized.

Vety (H) ↔ Helium (He)Litium (Li) ↔ Natrium (Na)Natrium (Na) ↔ Kalium (K)Beryllium (Be) ↔ Magnesium (Mg)Magnesium (Mg) ↔ Kalsium (Ca)Hiili (C) ↔ Pii (Si)Typpi (N) ↔ Fosfori (P)Happi (O) ↔ Rikki (S)Fluori (F) ↔ Kloori (Cl)Kloori (Cl) ↔ Bromine (Br)Bromine (Br) ↔ Jodi (I)Helium (He) ↔ Neon (Ne)Neon (Ne) ↔ Argon (Ar)Pii (Si) ↔ Germanium (Ge)Rauta (Fe) ↔ Koboltti (Co)Rauta (Fe) ↔ Nikkeli (Ni)Kupari (Cu) ↔ Hopea (Ag)Hopea (Ag) ↔ Kulta (Au)Sinkki (Zn) ↔ Cadmium (Cd)Thorium (Th) ↔ Uraani (U)