Which of the following elements will have the lowest first ionisation energy?
Which of the following elements will have the lowest first ionisation energy? Options (a) Li (b) Mg (c) Ca (d)…
Which of the following elements will have the lowest first ionisation energy? Options (a) Li (b) Mg (c) Ca (d)…
When the first ionisation energies are plotted against atomic number, the peaks are occupied Options (a) alkali metals (b) halogens…
Pauling's electro negativity values for elements are useful in predicting Options (a) Polarity of the molecules (b) Position in the…
Highest electron affinity is shown by Options (a) O⁻ (b) F⁻ (c) Cl₂ (d) F₂ Correct Answer: O⁻Explanation:Molecules of F₂,…
Which of the following has the highest electron affinity? Options (a) F⁻ (b) O⁻ (c) O (d) Na Correct Answer:…
The element, with atomic number 118, will be Options (a) alkali (b) noble gas (c) lanthanide (d) transition element Correct…
The ionisation energy of nitrogoen is more than that of oxygen because Options (a) nitrogen has half-filled p-orbitals (b) nitrogen…
Which of the following does not represent the correct order of the properties indicated Options (a) Ni²⁺> Cr²⁺> Fe²⁺> Mn²⁺(size)…
Which one of the following ionic species has the greatest proton affinity to form stable compound? Options (a) NH₂⁻ (b)…
Amongst the elements with following electronic configurations, which one of them may have the highest ionization energy? Options (a) Ne…