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CHEMISTRY . SURVEY . 21marmong. Hence, the correct option is C Which of the following elements has the highest first ionization energy? S has a first ionization energy value of 999 kJ/mol. Hence, It will be difficult to remove an electron from it and will take more energy. Understanding ionization energy is important because it reflects an element's ability to participate in some chemical reactions or form some compounds. Which of these elements has the lowest ionization energy? Helium (He) has the highest ionization energy, then Neon (Ne) Ionization energy increases as you go across a period from left to right. a) silver B) barium C) arsenic D) cholrine. answer choices . What element has the highest ionization energy? Al has a first ionization energy value of 577 kJ/mol. answer choices . Fluorine is a chemical element with the symbol F and atomic number 9. Ionization energy of Li atom has the highest among Li and Na. #"Mg: " 1s^2 2s^2 … A quick look in the periodic table will reveal that aluminium, #"Al"#, and magnesium, #"Mg"#, are both located in period 3.. Now, assuming that you're not familiar with the periodic trends in ionization energy, you can determine which element will have a higher third ionization energy by taking a look at their respective electron configurations. Which element has the highest ionization energy? P has a first ionization energy value of 1012 kJ/mol. It is the lightest halogen and exists as a highly toxic pale yellow diatomic gas at standard conditions. The ionization energy of the elements within a group generally decreases from top to bottom. Most likely a is the answer - because you generate 38 atp's but also consume an atp. Which element has the highest ionization energy? Answers: 3 Show answers Another question on Chemistry. Thus, ionization energy increases from left to right on the periodic table.So upper right corner elements have highest ionization energies.Fluorine has highest first ionization energy since it has the tendency to gain electron and no tendency to lose the electron from its valence shell. Answers. The noble gases possess very high ionization energies because of their full valence shells as indicated in the graph. Q. Ionization energy decreases as you go down a group. Na has a first ionization energy value of 496 kJ/mol. less than 4 kcal so probably a is the closest answer. Which of these elements has the highest ionization energy? What record? the question is incomplete edson23. Lithium (Li) Potassium (K) Francium (Fr) Sodium (Na) Tags: Question 9 . Note that helium has the highest ionization energy of all the elements. This is due to electron shielding. Chemistry, 22.06.2019 12:40. If you must determine which element from a list has the highest ionization energy, find the elements' placements on the periodic table. Mg has a first ionization energy value of 737 kJ/mol. Ionization energy of Sodium atom = 495.9 kJ/mol. Answer: Fluorine. Ionization energy of Lithium atom= 520.3 kJ/mol. 20 seconds . Element then radius (pm): X = 105pm Y = 175pm Z = 274pm I think that the answer is "Z-274pm", but I just would like to make sure. each atp gives approx. Consider the directing effects of the substituents on salicylamide and predict the possible structures of the iodination products. Hence, [ N e ] 3 s 2 3 p 3 has the highest ionization energy among the given elements. a) silver B) barium C) arsenic D) cholrine. E ] 3 s 2 3 p 3 has the highest ionization energy as indicated in graph! Will take more energy Sodium ( Na ) Tags: question 9 496.! Elements ' placements on the periodic table find the elements ' placements on the periodic.. 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