90 kcal/mol
lol wrote this answer because you didnt give me any choices.
The ionization energy (first) of einsteinium is 619 kJ/mol.
The first ionization energy for iron (Fe) is approximately 7.9 electron volts (eV).
Aluminum ionization energy is the amount of energy required to remove an electron from a neutral aluminum atom to form a positively charged aluminum ion. The first ionization energy of aluminum is relatively low, meaning it does not require as much energy to remove the first electron compared to larger atoms.
The ionization energy of argon is 15.76 eV, meaning it requires 15.76 electron volts of energy to remove an electron from an argon atom.
The equation for first ionization energy is the equation for the energy required to remove an electron from one mole of gaseous atoms to produce a mole of gaseous ions. It is as follows: X(g) ---> X^+1(g) + e^-1.
The first ionization energy of an element, like sulfur (s), is important in determining its reactivity. A low first ionization energy means it is easier for the element to lose an electron and form a positive ion, making it more reactive. Conversely, a high first ionization energy means it is harder for the element to lose an electron, making it less reactive.
sodium because it's the first group and first group are the most
Carbon (C) has a higher first ionization energy than silicon (Si). This is because as you move across a period in the periodic table, the first ionization energy generally increases due to increasing nuclear charge pulling electrons closer. Silicon is positioned to the right of carbon in the same period, resulting in a lower first ionization energy compared to carbon.
Sodium's first ionization energy is 495 kJ / mol.
The first ionization energy is 1681 kJ/mol.
Helium has the highest ionization energy.
Fluorine has the largest first ionization energy among the halogens.
Fluorine has the largest first ionization energy among the halogens.
ionization potential energy. but remember the atom must be neutral .
Across a row on the periodic table ionization energy increases. Down a column, ionization energy decreases. --------------------------------------------------------- The first Ionization energy of Boron is 800.6 kJ mol-1
Within the alkali metals, or group 1, the ionization energy trend is that ionization energy decreases as you move down the group from top to bottom. This is because with each step down, you add an energy level, therefore the one valence electron is farther and farther from the atom's nucleus. So, the attraction between the nucleus and that electron (its electronegativity) decreases. This makes it easier (requires less energy), making the element more reactive. For example, cesium is more reactive than rubidium, which is more reactive than potassium, which is more reactive than sodium...
The ionization energy (first) of einsteinium is 619 kJ/mol.