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Why is it harder to remove an electron from Magnesium than it is to remove an electron from Calcium?
Zinc has more electrons in its outer energy level than Calcium. Because of this, itsnucleus is more attracted to this energy level and pulls it more the nucleus in Calcium. Because of this greater attraction it is harder to remove the electron from Zinc.
Which base is stronger Calcium or Aluminum or Magnesium or Sodium?
Calcium is a stronger base compared to Aluminum, Magnesium, and Sodium. This is because it has a higher affinity for accepting a proton (H+) and can release hydroxide ions more readily in solution, making it a stronger base.
Why is the ionistaion energy of magnesium higher than that of sodium?
because ionization energy increases from left to right on the periodic table. Ionization energy is the amount of energy needed to take an electron away from the atom, or the energy needed to ionize it. Since Sodium is more likely to give up an ion to complete the octet rule, it has a higher ionization energy.
Why is the lattice energy of potassium bromide more exothermic than the lattice energy of rubidium iodide?
The lattice energy of potassium bromide is more exothermic than that of rubidium iodide because potassium and bromine have smaller atomic sizes and higher charges, which leads to stronger ionic bonding in potassium bromide. Rubidium and iodine have larger atomic sizes and lower charges, resulting in weaker ionic bonding in rubidium iodide. The stronger ionic bonding in potassium bromide requires more energy to break, resulting in a more exothermic lattice energy.
Which is more stable EDTA calcium or magnesium?
EDTA forms more stable complexes with calcium than with magnesium. This is due to the higher charge density and smaller size of the calcium ion, which allows it to form stronger bonds with the EDTA molecule.
How does calcium first ionization energy compare to the first ionization energy of magnesium and potassium?
Calcium's first ionization energy is lower than that of magnesium but higher than that of potassium. This is due to the increasing atomic size down the group, which decreases the effective nuclear charge felt by the outermost electron. Magnesium, being higher in the group, has a smaller atomic radius and a stronger attraction between the nucleus and its valence electron, resulting in a higher ionization energy. Conversely, potassium, being further down the group, has an even larger atomic radius, leading to a lower ionization energy than calcium.
Can calcium displace from magnesium?
Yes, calcium can displace magnesium in certain chemical reactions. This is more likely to happen when calcium is in a higher oxidation state than magnesium, allowing it to take the place of magnesium in a compound or reaction.
Why is lattice energy of MgF2 greater than MgCl2?
since ca2+ has a larger atomic radii compared to Mg2+ (and the same for F and CL2), the electrons are dispersed over a wider surface area and so have a lesser strength than that of magnesium. Hence, with a smaller atomic radii, Magnesium has stronger attractive forces with require more energy to be broken and therefore making it more exothermic than calcium.
How can one determine which compound has the highest lattice energy?
The compound with the highest lattice energy can be determined by comparing the charges of the ions in the compound and the distance between the ions. The compound with higher charges and smaller ion distances will have higher lattice energy.
What is the relationship between the energy of a phonon and its corresponding frequency in a crystal lattice?
The energy of a phonon in a crystal lattice is directly proportional to its frequency. This means that phonons with higher frequencies have higher energy levels.
How can one determine the highest lattice energy in a compound?
The highest lattice energy in a compound can be determined by considering the charges of the ions involved and their sizes. Generally, compounds with ions that have higher charges and smaller sizes will have higher lattice energies.
How does calcium's first ionization energy compare to the first ionization energy of magnesium and potassium?
First ionization energy of magnesium = 870/ kj/mol First ionization energy of phosphorous = 589 kj/mol So, magnesium has the larger ionization energy required to pull the first valance electron. Do you know why?
Why calcium fluoride has a higher melting point than chlorine fluoride?
Calcium fluoride has a higher melting point than chlorine fluoride because the calcium ion has a higher charge density than the chlorine ion, leading to stronger electrostatic forces of attraction between the calcium and fluoride ions in the lattice structure. This results in a greater amount of energy required to break these bonds, leading to a higher melting point for calcium fluoride compared to chlorine fluoride.
Why is sodium carbonate soluble in water while calcium carbonate is not?
Sodium carbonate is soluble in water because it dissociates into sodium ions and carbonate ions, which are stabilized by water molecules through hydration. In contrast, calcium carbonate has a strong ionic lattice structure and low solubility due to the higher lattice energy compared to the energy released during hydration of its ions. This means that the interactions in calcium carbonate are not easily overcome by water, leading to its low solubility.
Which has higher lattice energy AgCl and AgBr?
AgCl has a higher lattice energy than AgBr because Cl- is a smaller ion than Br-, resulting in stronger electrostatic interactions in AgCl.
When is lattice energy greater than hydration energy?
Lattice energy is greater than hydration energy when the overall energy released during the formation of the crystal lattice (lattice energy) is higher than the energy absorbed during the separation of ions from the lattice by water molecules (hydration energy). This typically occurs for highly charged ions that form strong ionic bonds and have a high charge-to-size ratio.
Why is it harder to remove an electron from Magnesium than it is to remove an electron from Calcium?
Zinc has more electrons in its outer energy level than Calcium. Because of this, itsnucleus is more attracted to this energy level and pulls it more the nucleus in Calcium. Because of this greater attraction it is harder to remove the electron from Zinc.
