Which of the following equations would represent the second electron affinity of Al3+?
4. Which of the following elements would have a larger electron affinity? Explain why. a. C vs. N b. Ar vs. Kr
Define the following terms, using BaO as an example Write equations to represent each term and state whether the process is exothermic or endothermic (include states) Standard enthalpy of formation Standard lattice enthalpy Standard enthalpy of sublimation for metal and non-metal Standard enthalpy of 1 onisation Standard enthalpy of 2nd ionisation Standard 1t electron affinity Standard 2nd electron affinity a. (0) (n) (u) (Iv) (v) (vi) (vin) (14)
Sodium has an electron affinity of-52.9 kJ/mol, while the electron affinity of magnesium is +40 kJ/mol. 4. a) Which of these elements may, under extreme circumstances, be made into an anion? b) Explain why the electron affinity of magnesium is larger than that of sodium.
Which of the following have the highest electron affinity? Which of them has the strongest metallic character? Explain: Na, Mg, O, C, S
Watch the video on electron affinity and identify which of the following statements matches each reaction. Check all that apply.
An atom of which of the following elements has the most negative electron affinity? a) K b) Cl c) Br d) Se e) N
An atom of which of the following elements has the highest electron affinity? Select one: a. Br b. Cl c. Rb d. As e. Se An atom of which of the following elements is not diamagnetic in the ground state? Select one: a. Rn b. Ca c. Pt d. Cd e. All are diamagnetic. The general electron configuration for the outermost electrons of the halogens is Select one: a. ns2np4 b. ns2np5 c. ns2np6 d. ns2np2 e. ns2np3 What...
plz answer all 3 parts Parta Watch the video on electron affinity and identity which of the following statements matches each reaction Check all that apply. ► View Available Hint(s) Reset Help Electron affinity is -349 Electron affinity is +349 kJ Electron affinity is -142 kJ Electron affinity is +142 kJ Electron affinity is -710 kJ Electron afinity 710 kJ Process is endothermic Process involves single electron addition a ) to a (g) 0(R) to to (g) Tole All the...
Which of the following elements has the smallest electron affinity (smallest negative or most positive)? Mg Ag Cl S
Periodic Trends in Relative Electron Affinity Part B Electron affinity, EA, is the energy required to add an electron to a neutral gaseous atom and is related to an element's position on the periodic table. Electron affinities can be positive, negative, or zero, as shown in the table. Electron affinity Element (kJ/mol) N (nitrogen) >0 Br (bromine) -325 Sr (strontium) -5 Rank the following elements by electron affinity, from most positive to most negative EA value. Rank from most positive...