K
Potassium
Atomic Number 19
Alkali Metal
Ga
Gallium
Atomic Number 31
Post-Transition Metal
Bond Analysis
Electronegativity Difference
0.99
Predicted Bond Type
polar covalent
Relationship
Same period
Property Comparison
| Property | Potassium | Gallium |
|---|---|---|
| Atomic Mass | 39.0980 u | 69.7230 u |
| Electronegativity | 0.82 | 1.81 |
| Density | 0.8620 g/cm³ | 5.9100 g/cm³ |
| Melting Point | 336.7 K | 302.9 K |
| Boiling Point | 1032.0 K | 2673.0 K |
| Atomic Radius | 243 pm | 136 pm |
| Ionization Energy | 418.8 kJ/mol | 578.8 kJ/mol |
Gallium
- Block
- p-block
- Period
- 4
- Group
- 13
- Phase at STP
- Solid
- Config
- [Ar] 3d10 4s2 4p1
Ratios
Mass Ratio (K/Ga)
0.561
Size Ratio (K/Ga)
1.787