Grundstoffer i periode 5
Periode 5 indeholder rubidium til xenon, herunder ædelmetallet sølv, platinmetallet palladium, det sjælden-jordart-tæt yttrium og technetium - det letteste udelukkende radioaktive grundstof.
Bladr efter
| Nr | Symbol | Grundstof | Atomvægt (u) | Massefylde (g/cm³) | Smeltepunkt (°C) | Kogepunkt (°C) | Electronegativity | Opdaget |
|---|---|---|---|---|---|---|---|---|
| 37 | Rb | Rubidium | 85.4678 | 1.532 | 39.3 | 687.85 | 0.82 | 1861 |
| 38 | Sr | Strontium | 87.621 | 2.64 | 776.85 | 1376.85 | 0.95 | 1787 |
| 39 | Y | Yttrium | 88.9058 | 4.472 | 1525.85 | 2929.85 | 1.22 | 1794 |
| 40 | Zr | Zirconium | 91.2242 | 6.52 | 1854.85 | 4376.85 | 1.33 | 1789 |
| 41 | Nb | Niobium | 92.9064 | 8.57 | 2476.85 | 4743.85 | 1.6 | 1801 |
| 42 | Mo | Molybdæn | 95.951 | 10.28 | 2622.85 | 4638.85 | 2.16 | 1778 |
| 43 | Tc | Technetium | 98.9062 | 11 | 2156.85 | 4264.85 | 1.9 | 1937 |
| 44 | Ru | Ruthenium | 101.072 | 12.45 | 2333.85 | 4149.85 | 2.2 | 1844 |
| 45 | Rh | Rhodium | 102.906 | 12.41 | 1963.85 | 3694.85 | 2.28 | 1804 |
| 46 | Pd | Palladium | 106.421 | 12.023 | 1554.9 | 2962.85 | 2.2 | 1802 |
| 47 | Ag | Sølv | 107.868 | 10.49 | 961.78 | 2161.85 | 1.93 | 5000 fvt. |
| 48 | Cd | Cadmium | 112.414 | 8.65 | 321.07 | 766.85 | 1.69 | 1817 |
| 49 | In | Indium | 114.818 | 7.31 | 156.599 | 2071.85 | 1.78 | 1863 |
| 50 | Sn | Tin | 118.711 | 7.365 | 231.93 | 2601.85 | 1.96 | 3500 fvt. |
| 51 | Sb | Antimon | 121.76 | 6.697 | 630.63 | 1634.85 | 2.05 | 850 |
| 52 | Te | Tellur | 127.603 | 6.24 | 449.51 | 987.85 | 2.1 | 1782 |
| 53 | I | Jod | 126.904 | 4.933 | 113.7 | 184.25 | 2.66 | 1811 |
| 54 | Xe | Xenon | 131.294 | 5.894 | -111.75 | -108.099 | 2.6 | 1898 |