Search

calcium vs potassium vs curium

Input interpretation

calcium (chemical element) | potassium (chemical element) | curium (chemical element)
calcium (chemical element) | potassium (chemical element) | curium (chemical element)

Periodic table location

Periodic table location
Periodic table location

Images

Images
Images

Basic elemental properties

| calcium | potassium | curium atomic symbol | Ca | K | Cm atomic number | 20 | 19 | 96 short electronic configuration | [Ar]4s^2 | [Ar]4s^1 | [Rn]7s^25f^76d^1 Aufbau diagram | 4s | 4s | 6d 5f 7s block | s | s | f group | 2 | 1 | period | 4 | 4 | 7 atomic mass | 40.078 u | 39.0983 u | 247 u half-life | (stable) | (stable) | 15.6 Myr
| calcium | potassium | curium atomic symbol | Ca | K | Cm atomic number | 20 | 19 | 96 short electronic configuration | [Ar]4s^2 | [Ar]4s^1 | [Rn]7s^25f^76d^1 Aufbau diagram | 4s | 4s | 6d 5f 7s block | s | s | f group | 2 | 1 | period | 4 | 4 | 7 atomic mass | 40.078 u | 39.0983 u | 247 u half-life | (stable) | (stable) | 15.6 Myr

Thermodynamic properties

| calcium | potassium | curium phase at STP | solid | solid | solid melting point | 842 °C | 63.38 °C | 1345 °C boiling point | 1484 °C | 759 °C | 3110 °C critical temperature | | 2223 K | (unknown) critical pressure | | 16 MPa | (unknown) molar heat of fusion | 8.54 kJ/mol | 2.33 kJ/mol | (unknown) molar heat of vaporization | 155 kJ/mol | 76.9 kJ/mol | (unknown) specific heat at STP | 631 J/(kg K) | 757 J/(kg K) | (properties at standard conditions)
| calcium | potassium | curium phase at STP | solid | solid | solid melting point | 842 °C | 63.38 °C | 1345 °C boiling point | 1484 °C | 759 °C | 3110 °C critical temperature | | 2223 K | (unknown) critical pressure | | 16 MPa | (unknown) molar heat of fusion | 8.54 kJ/mol | 2.33 kJ/mol | (unknown) molar heat of vaporization | 155 kJ/mol | 76.9 kJ/mol | (unknown) specific heat at STP | 631 J/(kg K) | 757 J/(kg K) | (properties at standard conditions)

Material properties

| calcium | potassium | curium density | 1.55 g/cm^3 | 0.856 g/cm^3 | 13.51 g/cm^3 liquid density | 1.378 g/cm^3 | 0.828 g/cm^3 | (unknown) molar volume | 25.86 cm^3/mol | 45.7 cm^3/mol | 18.3 cm^3/mol Mohs hardness | 1.75 (between gypsum and talc) | 0.4 (between talc and gypsum) | (unknown) Brinell hardness | 167 MPa | 0.363 MPa | (unknown) bulk modulus | 17 GPa | 3.1 GPa | (unknown) shear modulus | 7.4 GPa | 1.3 GPa | (unknown) Young's modulus | 20 GPa | | (unknown) Poisson ratio | 0.31 | | (unknown) sound speed | 3810 m/s | 2000 m/s | (unknown) thermal expansion | 2.23×10^-5 K^(-1) | | (unknown) thermal conductivity | 200 W/(m K) | 100 W/(m K) | (unknown) (properties at standard conditions)
| calcium | potassium | curium density | 1.55 g/cm^3 | 0.856 g/cm^3 | 13.51 g/cm^3 liquid density | 1.378 g/cm^3 | 0.828 g/cm^3 | (unknown) molar volume | 25.86 cm^3/mol | 45.7 cm^3/mol | 18.3 cm^3/mol Mohs hardness | 1.75 (between gypsum and talc) | 0.4 (between talc and gypsum) | (unknown) Brinell hardness | 167 MPa | 0.363 MPa | (unknown) bulk modulus | 17 GPa | 3.1 GPa | (unknown) shear modulus | 7.4 GPa | 1.3 GPa | (unknown) Young's modulus | 20 GPa | | (unknown) Poisson ratio | 0.31 | | (unknown) sound speed | 3810 m/s | 2000 m/s | (unknown) thermal expansion | 2.23×10^-5 K^(-1) | | (unknown) thermal conductivity | 200 W/(m K) | 100 W/(m K) | (unknown) (properties at standard conditions)

Electromagnetic properties

| calcium | potassium | curium electrical type | conductor | conductor | resistivity | 3.4×10^-8 Ω m (ohm meters) | 7×10^-8 Ω m (ohm meters) | (unknown) electrical conductivity | 2.9×10^7 S/m (siemens per meter) | 1.4×10^7 S/m (siemens per meter) | (unknown) magnetic type | paramagnetic | paramagnetic | (unknown) volume magnetic susceptibility | 2.139×10^-5 | 5.74×10^-6 | mass magnetic susceptibility | 1.38×10^-8 m^3/kg (cubic meters per kilogram) | 6.7×10^-9 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | 5.531×10^-10 m^3/mol (cubic meters per mole) | 2.62×10^-10 m^3/mol (cubic meters per mole) | work function | 2.87 eV (Polycrystalline) | 2.29 eV (Polycrystalline) | threshold frequency | 6.94×10^14 Hz (hertz) | 5.537×10^14 Hz (hertz) | color | (silver) | (silver) | (silver)
| calcium | potassium | curium electrical type | conductor | conductor | resistivity | 3.4×10^-8 Ω m (ohm meters) | 7×10^-8 Ω m (ohm meters) | (unknown) electrical conductivity | 2.9×10^7 S/m (siemens per meter) | 1.4×10^7 S/m (siemens per meter) | (unknown) magnetic type | paramagnetic | paramagnetic | (unknown) volume magnetic susceptibility | 2.139×10^-5 | 5.74×10^-6 | mass magnetic susceptibility | 1.38×10^-8 m^3/kg (cubic meters per kilogram) | 6.7×10^-9 m^3/kg (cubic meters per kilogram) | molar magnetic susceptibility | 5.531×10^-10 m^3/mol (cubic meters per mole) | 2.62×10^-10 m^3/mol (cubic meters per mole) | work function | 2.87 eV (Polycrystalline) | 2.29 eV (Polycrystalline) | threshold frequency | 6.94×10^14 Hz (hertz) | 5.537×10^14 Hz (hertz) | color | (silver) | (silver) | (silver)

Reactivity

| calcium | potassium | curium valence | 2 | 1 | 4 electronegativity | 1 | 0.82 | 1.3 electron affinity | 2.37 kJ/mol (kilojoules per mole) | 48.4 kJ/mol (kilojoules per mole) | (unknown) first ionization energy | 589.8 kJ/mol (kilojoules per mole) | 418.8 kJ/mol (kilojoules per mole) | 581 kJ/mol (kilojoules per mole) ionization energies | 589.8 kJ/mol | 1145.4 kJ/mol | 4912.4 kJ/mol | 6491 kJ/mol | 8153 kJ/mol | 10496 kJ/mol | 12270 kJ/mol | 14206 kJ/mol | 18191 kJ/mol | 20385 kJ/mol | 57110 kJ/mol | 418.8 kJ/mol | 3052 kJ/mol | 4420 kJ/mol | 5877 kJ/mol | 7975 kJ/mol | 9590 kJ/mol | 11343 kJ/mol | 14944 kJ/mol | 16963.7 kJ/mol | 48610 kJ/mol | 581 kJ/mol
| calcium | potassium | curium valence | 2 | 1 | 4 electronegativity | 1 | 0.82 | 1.3 electron affinity | 2.37 kJ/mol (kilojoules per mole) | 48.4 kJ/mol (kilojoules per mole) | (unknown) first ionization energy | 589.8 kJ/mol (kilojoules per mole) | 418.8 kJ/mol (kilojoules per mole) | 581 kJ/mol (kilojoules per mole) ionization energies | 589.8 kJ/mol | 1145.4 kJ/mol | 4912.4 kJ/mol | 6491 kJ/mol | 8153 kJ/mol | 10496 kJ/mol | 12270 kJ/mol | 14206 kJ/mol | 18191 kJ/mol | 20385 kJ/mol | 57110 kJ/mol | 418.8 kJ/mol | 3052 kJ/mol | 4420 kJ/mol | 5877 kJ/mol | 7975 kJ/mol | 9590 kJ/mol | 11343 kJ/mol | 14944 kJ/mol | 16963.7 kJ/mol | 48610 kJ/mol | 581 kJ/mol
Reactivity
Reactivity

Atomic properties

| calcium | potassium | curium term symbol | ^1S_0 | ^2S_(1/2) | ^9D_2 atomic radius | 180 pm | 220 pm | covalent radius | 176 pm | 203 pm | 169 pm van der Waals radius | | 275 pm | (unknown) (electronic ground state properties)
| calcium | potassium | curium term symbol | ^1S_0 | ^2S_(1/2) | ^9D_2 atomic radius | 180 pm | 220 pm | covalent radius | 176 pm | 203 pm | 169 pm van der Waals radius | | 275 pm | (unknown) (electronic ground state properties)

Abundances

| calcium | potassium | curium universe abundance | 0.007 mass% | 3×10^-4 mass% | solar abundance | 0.007 mass% | 4×10^-4 mass% | 0 mass% meteorite abundance | 1.1 mass% | 0.07 mass% | 0 mass% crust abundance | 5 mass% | 1.5 mass% | 0 mass% ocean abundance | 4.2×10^-4 mass% | 0.042 mass% | 0 mass% human abundance | 1.4 mass% | 0.2 mass% | 0 mass% universe molar abundance | 2×10^-4 mol% | 1×10^-5 mol% | solar molar abundance | 2×10^-4 mol% | 9.9×10^-6 mol% | 0 mol% meteorite molar abundance | 0.52 mol% | 0.037 mol% | 0 mol% ocean molar abundance | 6.5×10^-5 mol% | 0.0066 mol% | 0 mol% crust molar abundance | 2.6 mol% | 0.78 mol% | 0 mol% human molar abundance | 0.22 mol% | 0.032 mol% | 0 mol%
| calcium | potassium | curium universe abundance | 0.007 mass% | 3×10^-4 mass% | solar abundance | 0.007 mass% | 4×10^-4 mass% | 0 mass% meteorite abundance | 1.1 mass% | 0.07 mass% | 0 mass% crust abundance | 5 mass% | 1.5 mass% | 0 mass% ocean abundance | 4.2×10^-4 mass% | 0.042 mass% | 0 mass% human abundance | 1.4 mass% | 0.2 mass% | 0 mass% universe molar abundance | 2×10^-4 mol% | 1×10^-5 mol% | solar molar abundance | 2×10^-4 mol% | 9.9×10^-6 mol% | 0 mol% meteorite molar abundance | 0.52 mol% | 0.037 mol% | 0 mol% ocean molar abundance | 6.5×10^-5 mol% | 0.0066 mol% | 0 mol% crust molar abundance | 2.6 mol% | 0.78 mol% | 0 mol% human molar abundance | 0.22 mol% | 0.032 mol% | 0 mol%

Random Queries

DOT numbers of potassium chlorate
price of silver vs rhodium
find edges in spodumene image
molar mass of nitrate anion vs acetate anion
discovery year of antimony vs nitrogen
vertex types of lucifer yellow cH vs cadmium dibutyldithiocarbamate
lattice angles of lead vs thallium
price of gallium vs indium
Na2S + NiCl2 = NaCl + NiS
gallium vs scandium vs nickel