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Atoms · Transition metals: 29 3D models

Every element as an atom, orbitals and bonding, crystals, ions and complexes, real compounds from every field of chemistry, substances in their natural form, electrochemistry and lab experiments (real sizes atoms → lab bench). Each one is a ready-made 3D model you can turn, recolour and place in a figure — open BioDioRama and type its name in the Library search.

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Scandium atom (Sc) — Scandium (Sc), atomic number 21 — transition metal, period 4. 21 protons, about 24 neutrons in its commonest isotope, and 21 electrons in shells 2, 8, 9, 2 ([Ar] 3d¹ 4s²). Standard atomic weight 44.956. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Titanium atom (Ti) — Titanium (Ti), atomic number 22 — transition metal, period 4. 22 protons, about 26 neutrons in its commonest isotope, and 22 electrons in shells 2, 8, 10, 2 ([Ar] 3d² 4s²). Standard atomic weight 47.867. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Vanadium atom (V) — Vanadium (V), atomic number 23 — transition metal, period 4. 23 protons, about 28 neutrons in its commonest isotope, and 23 electrons in shells 2, 8, 11, 2 ([Ar] 3d³ 4s²). Standard atomic weight 50.942. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Chromium atom (Cr) — Chromium (Cr), atomic number 24 — transition metal, period 4. 24 protons, about 28 neutrons in its commonest isotope, and 24 electrons in shells 2, 8, 13, 1 ([Ar] 3d⁵ 4s¹). Standard atomic weight 51.996. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Manganese atom (Mn) — Manganese (Mn), atomic number 25 — transition metal, period 4. 25 protons, about 30 neutrons in its commonest isotope, and 25 electrons in shells 2, 8, 13, 2 ([Ar] 3d⁵ 4s²). Standard atomic weight 54.938. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Iron atom (Fe) — Iron (Fe), atomic number 26 — transition metal, period 4. 26 protons, about 30 neutrons in its commonest isotope, and 26 electrons in shells 2, 8, 14, 2 ([Ar] 3d⁶ 4s²). Standard atomic weight 55.845. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Cobalt atom (Co) — Cobalt (Co), atomic number 27 — transition metal, period 4. 27 protons, about 32 neutrons in its commonest isotope, and 27 electrons in shells 2, 8, 15, 2 ([Ar] 3d⁷ 4s²). Standard atomic weight 58.933. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Nickel atom (Ni) — Nickel (Ni), atomic number 28 — transition metal, period 4. 28 protons, about 31 neutrons in its commonest isotope, and 28 electrons in shells 2, 8, 16, 2 ([Ar] 3d⁸ 4s²). Standard atomic weight 58.693. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Copper atom (Cu) — Copper (Cu), atomic number 29 — transition metal, period 4. 29 protons, about 35 neutrons in its commonest isotope, and 29 electrons in shells 2, 8, 18, 1 ([Ar] 3d¹⁰ 4s¹). Standard atomic weight 63.546. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Zinc atom (Zn) — Zinc (Zn), atomic number 30 — transition metal, period 4. 30 protons, about 35 neutrons in its commonest isotope, and 30 electrons in shells 2, 8, 18, 2 ([Ar] 3d¹⁰ 4s²). Standard atomic weight 65.38. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Yttrium atom (Y) — Yttrium (Y), atomic number 39 — transition metal, period 5. 39 protons, about 50 neutrons in its commonest isotope, and 39 electrons in shells 2, 8, 18, 9, 2 ([Kr] 4d¹ 5s²). Standard atomic weight 88.906. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Zirconium atom (Zr) — Zirconium (Zr), atomic number 40 — transition metal, period 5. 40 protons, about 51 neutrons in its commonest isotope, and 40 electrons in shells 2, 8, 18, 10, 2 ([Kr] 4d² 5s²). Standard atomic weight 91.224. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Niobium atom (Nb) — Niobium (Nb), atomic number 41 — transition metal, period 5. 41 protons, about 52 neutrons in its commonest isotope, and 41 electrons in shells 2, 8, 18, 12, 1 ([Kr] 4d⁴ 5s¹). Standard atomic weight 92.906. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Molybdenum atom (Mo) — Molybdenum (Mo), atomic number 42 — transition metal, period 5. 42 protons, about 54 neutrons in its commonest isotope, and 42 electrons in shells 2, 8, 18, 13, 1 ([Kr] 4d⁵ 5s¹). Standard atomic weight 95.95. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Technetium atom (Tc) — Technetium (Tc), atomic number 43 — transition metal, period 5. 43 protons, about 55 neutrons in its commonest isotope, and 43 electrons in shells 2, 8, 18, 13, 2 ([Kr] 4d⁵ 5s²). Standard atomic weight 98. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Ruthenium atom (Ru) — Ruthenium (Ru), atomic number 44 — transition metal, period 5. 44 protons, about 57 neutrons in its commonest isotope, and 44 electrons in shells 2, 8, 18, 15, 1 ([Kr] 4d⁷ 5s¹). Standard atomic weight 101.07. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Rhodium atom (Rh) — Rhodium (Rh), atomic number 45 — transition metal, period 5. 45 protons, about 58 neutrons in its commonest isotope, and 45 electrons in shells 2, 8, 18, 16, 1 ([Kr] 4d⁸ 5s¹). Standard atomic weight 102.91. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Palladium atom (Pd) — Palladium (Pd), atomic number 46 — transition metal, period 5. 46 protons, about 60 neutrons in its commonest isotope, and 46 electrons in shells 2, 8, 18, 18 ([Kr] 4d¹⁰). Standard atomic weight 106.42. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Silver atom (Ag) — Silver (Ag), atomic number 47 — transition metal, period 5. 47 protons, about 61 neutrons in its commonest isotope, and 47 electrons in shells 2, 8, 18, 18, 1 ([Kr] 4d¹⁰ 5s¹). Standard atomic weight 107.87. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Cadmium atom (Cd) — Cadmium (Cd), atomic number 48 — transition metal, period 5. 48 protons, about 64 neutrons in its commonest isotope, and 48 electrons in shells 2, 8, 18, 18, 2 ([Kr] 4d¹⁰ 5s²). Standard atomic weight 112.41. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Hafnium atom (Hf) — Hafnium (Hf), atomic number 72 — transition metal, period 6. 72 protons, about 106 neutrons in its commonest isotope, and 72 electrons in shells 2, 8, 18, 32, 10, 2 ([Xe] 4f¹⁴ 5d² 6s²). Standard atomic weight 178.49. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Tantalum atom (Ta) — Tantalum (Ta), atomic number 73 — transition metal, period 6. 73 protons, about 108 neutrons in its commonest isotope, and 73 electrons in shells 2, 8, 18, 32, 11, 2 ([Xe] 4f¹⁴ 5d³ 6s²). Standard atomic weight 180.95. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Tungsten atom (W) — Tungsten (W), atomic number 74 — transition metal, period 6. 74 protons, about 110 neutrons in its commonest isotope, and 74 electrons in shells 2, 8, 18, 32, 12, 2 ([Xe] 4f¹⁴ 5d⁴ 6s²). Standard atomic weight 183.84. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Rhenium atom (Re) — Rhenium (Re), atomic number 75 — transition metal, period 6. 75 protons, about 111 neutrons in its commonest isotope, and 75 electrons in shells 2, 8, 18, 32, 13, 2 ([Xe] 4f¹⁴ 5d⁵ 6s²). Standard atomic weight 186.21. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Osmium atom (Os) — Osmium (Os), atomic number 76 — transition metal, period 6. 76 protons, about 114 neutrons in its commonest isotope, and 76 electrons in shells 2, 8, 18, 32, 14, 2 ([Xe] 4f¹⁴ 5d⁶ 6s²). Standard atomic weight 190.23. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Iridium atom (Ir) — Iridium (Ir), atomic number 77 — transition metal, period 6. 77 protons, about 115 neutrons in its commonest isotope, and 77 electrons in shells 2, 8, 18, 32, 15, 2 ([Xe] 4f¹⁴ 5d⁷ 6s²). Standard atomic weight 192.22. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Platinum atom (Pt) — Platinum (Pt), atomic number 78 — transition metal, period 6. 78 protons, about 117 neutrons in its commonest isotope, and 78 electrons in shells 2, 8, 18, 32, 17, 1 ([Xe] 4f¹⁴ 5d⁹ 6s¹). Standard atomic weight 195.08. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Gold atom (Au) — Gold (Au), atomic number 79 — transition metal, period 6. 79 protons, about 118 neutrons in its commonest isotope, and 79 electrons in shells 2, 8, 18, 32, 18, 1 ([Xe] 4f¹⁴ 5d¹⁰ 6s¹). Standard atomic weight 196.97. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))
Mercury atom (Hg) — Mercury (Hg), atomic number 80 — transition metal, period 6. 80 protons, about 121 neutrons in its commonest isotope, and 80 electrons in shells 2, 8, 18, 32, 18, 2 ([Xe] 4f¹⁴ 5d¹⁰ 6s²). Standard atomic weight 200.59. (≈ 0.1–0.5 nm across (the nucleus is ~100,000× smaller than drawn))