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Is ionisation enthalpy of potassium higher than that of sodium?
The ionisation enthalpy of potassium is lower than that of sodium.
Is isotopes have same ionisation enthalpy?
yes, it is correct.
Would you expect the first ionisation enthalpy for two isotopes of the same element to be same or different?
This value is identical for isotopes.
Name the elements with highest ionisation enthalpy?
The elements with the highest ionization enthalpy are helium, neon, and argon. These noble gases have full valence electron shells and are very stable, making it difficult to remove an electron from them.
What are the properties of elements that vary periodically with the atomic number?
The properties like electronegativity , ionisation energy , enthalpy changes vary periodically with atomic number.
Is ionisation enthalpy of potassium higher than that of sodium?
The ionisation enthalpy of potassium is lower than that of sodium.
Is isotopes have same ionisation enthalpy?
yes, it is correct.
What is a difference between ionisation enthalpy and electron gain enthalpy?
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Would you expect the first ionisation enthalpy for two isotopes of the same element to be same or different?
This value is identical for isotopes.
Name the elements with highest ionisation enthalpy?
The elements with the highest ionization enthalpy are helium, neon, and argon. These noble gases have full valence electron shells and are very stable, making it difficult to remove an electron from them.
How can you tell what kind of bonds an elements atoms have?
atoms having low Ionisation enthalpy and ones having high electronegativity form ionic bond
What charge does metallic ions have?
Due to low ionisation enthalpy, metals easily lose an electron and attain positive charge. eg. Na+, K+
What are the properties of elements that vary periodically with the atomic number?
The properties like electronegativity , ionisation energy , enthalpy changes vary periodically with atomic number.
Why does first ionisation enthalpy would have higher electron gain enthalpy?
First ionization enthalpy and electron gain enthalpy are related to the energy changes involved in removing and adding electrons, respectively. A high first ionization enthalpy indicates that an atom holds onto its electrons tightly, requiring significant energy to remove one. Consequently, when an electron is added to such an atom, the atom's strong attraction to its own electrons results in a higher electron gain enthalpy, as the process releases a substantial amount of energy. This relationship reflects the stability and energy dynamics associated with electron configurations in different elements.
Why oxygen have less ionisation enthalpy than fluorine?
Oxygen has less ionization enthalpy than fluorine because oxygen has a smaller nuclear charge compared to fluorine, leading to weaker attraction between the nucleus and the electrons. This makes it easier to remove an electron from an oxygen atom compared to a fluorine atom.
How can you relate ionisation potential and ionisation energy?
Ionisation potential and ionisation energy are essentially the same concept - they both refer to the amount of energy required to remove an electron from an atom or molecule. The terms are often used interchangeably in practice.
How do you calculate the enthalpy change of a reaction?
To calculate the enthalpy change of a reaction, subtract the total enthalpy of the reactants from the total enthalpy of the products. This difference represents the enthalpy change of the reaction.
