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What are the ionisation enthalpies of potassium and sodium?
The first ionization energy of potassium is 419 kJ/mol, while the first ionization energy of sodium is 496 kJ/mol. This means that it requires less energy to remove an electron from a potassium atom compared to a sodium atom.
Which is more reactive francium sodium or potassium?
Francium is the most reactive alkali metal among francium, sodium, and potassium because it has the lowest ionization energy. Francium's reactivity increases moving down Group 1 of the periodic table. Sodium is more reactive than potassium due to sodium's lower ionization energy compared to potassium.
Which of the elements sodium calcium potassium and magnesium has the smallest first ionization energy?
Potassium has the smallest first ionization energy among those elements listed. This is because potassium has the largest atomic size and the weakest attraction between its nucleus and outermost electron, making it easier to remove that electron.
Why k is more reactive than na?
Potassium (K) is more reactive than sodium (Na) because potassium has a lower ionization energy and a larger atomic radius compared to sodium. This makes it easier for potassium to lose an electron and form a positive ion, leading to greater reactivity.
Why is the reaction of potassium with chlorine more violent than the reaction of sodium with chlorine?
The reaction of potassium with chlorine is more violent than the reaction of sodium with chlorine because potassium is more reactive due to its low ionization energy and larger size, making it more prone to losing its outer electron. This leads to a more exothermic and rapid reaction with chlorine compared to sodium.
What are the ionisation enthalpies of potassium and sodium?
The first ionization energy of potassium is 419 kJ/mol, while the first ionization energy of sodium is 496 kJ/mol. This means that it requires less energy to remove an electron from a potassium atom compared to a sodium atom.
What element has a lower ionization energy than Na?
Potassium (K) has a lower ionization energy than sodium (Na).
What element in family IA has the lowest ionization energy?
the lowest ionization energy in IA :hydrogen ,lithiun ,sodium and potassium
Which is more reactive francium sodium or potassium?
Francium is the most reactive alkali metal among francium, sodium, and potassium because it has the lowest ionization energy. Francium's reactivity increases moving down Group 1 of the periodic table. Sodium is more reactive than potassium due to sodium's lower ionization energy compared to potassium.
What elements has the greatest ionization energy Sodium Potassium Chlorine or Bromine?
Chlorine has the greatest ionization energy among these elements. This is because chlorine has the highest effective nuclear charge, making it more difficult to remove an electron from a chlorine atom compared to sodium, potassium, or bromine.
Which of the elements sodium calcium potassium and magnesium has the smallest first ionization energy?
Potassium has the smallest first ionization energy among those elements listed. This is because potassium has the largest atomic size and the weakest attraction between its nucleus and outermost electron, making it easier to remove that electron.
Why k is more reactive than na?
Potassium (K) is more reactive than sodium (Na) because potassium has a lower ionization energy and a larger atomic radius compared to sodium. This makes it easier for potassium to lose an electron and form a positive ion, leading to greater reactivity.
Which metal loses electrons most readily sodium or potassium?
Potassium loses electrons more readily than sodium due to its lower ionization energy and larger atomic radius. This makes potassium more reactive than sodium in terms of losing electrons to form positive ions.
Why is the reaction of potassium with chlorine more violent than the reaction of sodium with chlorine?
The reaction of potassium with chlorine is more violent than the reaction of sodium with chlorine because potassium is more reactive due to its low ionization energy and larger size, making it more prone to losing its outer electron. This leads to a more exothermic and rapid reaction with chlorine compared to sodium.
Why is sodium less reactive than potassium?
Sodium and potassium are both highly reactive because they have only one outer shell electron which they lose very easily to form Na+ and K+ ions respectively. The sodium and potassium in the body are already in the form of these ions.
Which is more reactive sodium or barium?
sodium because it's the first group and first group are the most
What is first ionization energy?
Sodium's first ionization energy is 495 kJ / mol.
