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Periodic Trends: Electron Affinity Solutions Library

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49 solutions

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity.Ne      Br       Al

Solved • Apr 30, 2020

Periodic Trends: Electron Affinity

Q. Which electron affinity below would you predict to be the most exothermic?(1) Al(g) + e− → Al–(g)(2) N(g) + e− → N−(g)(3) Ne(g) + e− → Ne−(g)(4) Cl...

Solved • Apr 28, 2020

Periodic Trends: Electron Affinity

Q. Select the element with the most negative electron affinity (i.e., accepts an electron most readily).A. HB. LiC. CD. FE. Na

Solved • Apr 23, 2020

Periodic Trends: Electron Affinity

Q. Which one of the following equations correctly represents the process involved in the electron affinity of X?A. X(g) → X+(g) + e-B. X+(g) → X+(aq)C...

Solved • Apr 23, 2020

Periodic Trends: Electron Affinity

Q. Using the data in the figures above calculate ΔE for the reaction Na(g)+Cl(g)?Na+(g)+Cl?(g)

Solved • Mar 20, 2020

Periodic Trends: Electron Affinity

Q. Which atom in each set has the most exothermic electron affinity?i) N, O, Neii) Al, Si, Cla. i) Ne ii) Clb. i) N ii) Clc. i) O ii) Cld. i) Ne ii) S...

Solved • Nov 21, 2019

Periodic Trends: Electron Affinity

Q. In general, as you go across a period in the periodic table from left to right:(1) the atomic radius __________;(2) the electron affinity becomes _...

Solved • Oct 1, 2019

Periodic Trends: Electron Affinity

Q. Which reaction below represents the electron affinity of Be?a. Be(g) → Be+(g) + e-b. Be(g) + e- → Be-(g) c. Be+(g) → Be(g) + e-d. Be(g) + e- → Be+(...

Solved • Sep 30, 2019

Periodic Trends: Electron Affinity

Q. Of the following elements, __________ has the most negative electron affinity.A) PB) AlC) SiD) ClE) B

Solved • Aug 29, 2019

Periodic Trends: Electron Affinity

Q. Of the following elements, __________ has the most negative electron affinity.A) SB) ClC) SeD) BrE) I

Solved • Aug 29, 2019

Periodic Trends: Electron Affinity

Q. Of the following elements, __________ has the most negative electron affinity.A) NaB) LiC) BeD) NE) F

Solved • Aug 29, 2019

Periodic Trends: Electron Affinity

Q. Which element has the most negative electron affinity out of the following choices?a. Ib. Brc. Cld. Pe. Na

Solved • Aug 5, 2019

Periodic Trends: Electron Affinity

Q. Would a neutral K atom or a K+ ion have a more negative value of electron affinity?

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Group 4A elements have much more negative electron affinities than their neighbors in groups 3A and 5A (see the figure).Which of the following stat...

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Consider the first ionization energy of neon and the electron affinity of fluorine.Write equation for the electron affinity of fluorine.

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. The first ionization energy and the electron affinity of Ar are both positive values.What is the significance of the positive value in each case?

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each pair:a. Mg or Sb. K or Csc. Si or Pd. Ga or Br

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. The lightest halogen is also the most chemically reactive, and reactivity generally decreases as you move down the column of halogens in the period...

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. The electron affinity of each group 5A element is more positive than that of each corresponding group 4A element. Use the outer electron configurat...

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. For which element is the gaining of an electron most exothermic?a) Lib) Nc) Fd) B

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.C or N

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.Li or F

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Choose the element with the more negative (more exothermic) electron affinity from each of the following pairs.B or S

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. What are the observed periodic trends in electron affinity?

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Use the trends in ionization energy and electron affinity to explain why sodium chloride has the formula NaCl and not Na2Cl or NaCl2.

Solved • Nov 12, 2018

Periodic Trends: Electron Affinity

Q. Write an equation corresponding to the electron affinity of Fe3+.

Solved • Oct 16, 2018

Periodic Trends: Electron Affinity

Q. The electron affinities of the elements from aluminum to chlorine are -44, -120, -74, -200.4, and -384.7 kJ/mol, respectively. Rationalize the tren...

Solved • Oct 16, 2018

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity.  

Solved • Jul 24, 2018

Periodic Trends: Electron Affinity

Q. Which halogen has the lowest electron affinity?

Solved • Mar 21, 2018

Periodic Trends: Electron Affinity

Q. Which element has the greatest electron affinity (most negative ∆E)?a. Na or Clb. Sr or Ba

Solved • Mar 21, 2018

Periodic Trends: Electron Affinity

Q. Which element has the highest first electron affinity?a. Ob. Mgc. Nad. Ne

Solved • Mar 21, 2018

Periodic Trends: Electron Affinity

Q. What are the observed periodic trends in electron affinity? Check all that apply.a. For main-group elements, electron affinity generally becomes mo...

Solved • Mar 20, 2018

Periodic Trends: Electron Affinity

Q. Which element has the highest (most negative) electron affinity?a. Xeb. Sc. Csd. Bae. Cu

Solved • Mar 14, 2018

Periodic Trends: Electron Affinity

Q. The elements of which group in the periodic table absorb the most energy when gaining an electron?a. 1A b. 3Ac. 4Ad. 5Ae. 6Af. 7Ag. 8A

Solved • Mar 8, 2018

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity. 

Solved • Feb 22, 2018

Periodic Trends: Electron Affinity

Q. Rank these elements according to electron affinity from most energy released by gaining an electron to most energy absorbed by gaining an electron....

Solved • Feb 21, 2018

Periodic Trends: Electron Affinity

Q. Arrange the following elements from greatest to least tendency to accept an electron. To rank items as equivalent, overlap them.Br, Se, Ge, Ca, K

Solved • Feb 13, 2018

Periodic Trends: Electron Affinity

Q. Rank the following elements by electron affinity, from most positive to most negative EA value. To rank items as equivalent, overlap them.Fluorine,...

Solved • Feb 13, 2018

Periodic Trends: Electron Affinity

Q. Which of the following elements has the greatest (most exothermic) electron affinity? a. Rb b. C c. Li d. Na e. Br

Solved • Jul 27, 2017

Periodic Trends: Electron Affinity

Q. Which equation correctly represents the first electron affinity (EA 1) of calcium?a. Ca(g) + e–  →  Ca–(g)b. Ca(g) →  Ca+(g) + e–c. Ca+(g) + e– → C...

Solved • Jul 13, 2017

Periodic Trends: Electron Affinity

Q. Which reaction below represents the electron affinity of Li? A) Li(g) + e- → Li -(g) B) Li(g) → Li+(g) + e- C) Li+(g) + e- → Li(g) D) Li+(g) → ...

Solved • May 15, 2017

Periodic Trends: Electron Affinity

Q. Electron affinity corresponds to the energy released or absorbed in which process (for atom A)? 1. A → A+ +2e– 2. A + e– → A– 3. None of these ...

Solved • Aug 16, 2016

Periodic Trends: Electron Affinity

Q. The electron affinity value expected for the reactionKr(g) + e → Kr -(g)  would bea) a large negative numberb) a small negative numberc) zerod) gre...

Solved • Mar 22, 2016

Periodic Trends: Electron Affinity

Q. Which of the following atoms has the  highest (most negative) electron affinity?a) Nab) Clc) Brd) Se) As

Solved • Mar 22, 2016

Periodic Trends: Electron Affinity

Q. Which reaction below represents the  second electron affinity of S? (A) S(g) + e- → S-(g) (B) S-(g) + e- → S2-(g) (C) S(g) → S(g) + e- (D) S-(g...

Solved • Mar 11, 2016

Periodic Trends: Electron Affinity

Q. The electron affinities of the following 4th row elements have the following values: K + e - →  K -1       EA = -48 kJ/moles Ca + e - →  Ca -1   ...

Solved • Mar 10, 2016

Periodic Trends: Electron Affinity

Q. Electron affinity corresponds to the energy released or absorbed in which process (for atom A)? 1. A → A + + 2 e – 2. A + e – → A + 3. None of t...

Solved • Feb 17, 2016

Periodic Trends: Electron Affinity

Q. Which reaction below represents the electron affinity of O? A. O (g) + e - → O - (g) B. O (g) → O + (g) + e - C. O (g) + e - → O + (g) D. O + (...

Solved • Feb 16, 2016

Periodic Trends: Electron Affinity

Q. Which one of the following atoms has the least tendency to gain another electron? a) Neon b) Oxygen c) Chlorine d) Sodium e) Hydrogen

Solved • Feb 11, 2016