Macdin dhuleed ah
| Z | curiye | Firxat Elektaron | Kalatan Elektaron |
|---|---|---|---|
| 4 | beryllium | 2, 2 | [He] 2s2 |
| 12 | magnesium | 2, 8, 2 | [Ne] 3s2 |
| 20 | calcium | 2, 8, 8, 2 | [Ar] 4s2 |
| 38 | strontium | 2, 8, 18, 8, 2 | [Kr] 5s2 |
| 56 | barium | 2, 8, 18, 18, 8, 2 | [Xe] 6s2 |
| 88 | radium | 2, 8, 18, 32, 18, 8, 2 | [Rn] 7s2 |
| 120 | unbinilium | 2, 8, 18, 32, 32, 18, 8, 2 | [Uuo] 8s2 |
Fisigiska iyo atomka
[wax ka badal | wax ka badal xogta]Jadwalkaan waxa uu gooni ku yahay fisigiska iyo furah atomka ee Macdin dhuleedka.
| Macdin dhuleed alkaliin ah | Habka Cufka atamka (u) |
Heerka dhalaalka (K) |
Heerka dhalaalka (°C) |
Heerka karkarka (K) |
Heerka karkarka (°C) |
Mug (g/cm3) |
Electronegativity (Pauling) |
First Qaybiye Tamareed (kJ·mol−1) | Gacanka Atamka (pm) |
Tijaabo Midab | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Beryllium | 9.012182(3) | 1560 | 1287 | 2742 | 2469 | 1.85 | 1.57 | 899.5 | 105 | Cad | ||
| Magnesium | 24.3050(6) | 923 | 650 | 1363 | 1090 | 1.738 | 1.31 | 737.7 | 150 | Cadaan furan | ||
| Calcium | 40.078(4) | 1115 | 842 | 1757 | 1484 | 1.54 | 1.00 | 589.8 | 180 | Guduud Tiq ah |  | |
| Strontium | 87.62(1) | 1050 | 777 | 1655 | 1382 | 2.64 | 0.95 | 549.5 | 200 | Guduud yaanyo |  | |
| Barium | 137.327(7) | 1000 | 727 | 2170 | 1897 | 3.594 | 0.89 | 502.9 | 215 | Cagaar Tufaax | ||
| Radium | [226] | 973 | 700 | 2010 | 1737 | 5.5 | 0.9 | 509.3 | 221 | Guduud tiq ah | ||