According to the HOMEWORKLIB RULES if more than one question is asked than we have to answer 1st question only
7. Which element has the following electron configurations? lon: [Ar]3d10 lon (-1 charge): [Kr]5s4d105p6 8. Write t...
Which elements are represented by the following electron configurations? a. 15-2s22p0323p3d1045-4p) The element is Br b. [Kr]4d1045145325p052106526pa The element is C. [Kr]4d1046145525p650105726s6p6752 The element is d. [Kr]4d2552 The element is ZI e. 152252263523p%3d-452 The element is
20. An atom of which of the following elements has the smallest ionization energy? A. CI C. Si B. P DS 21. An atom of which of the following elements has the largest second ionization energy? A. Cs С Ро B. Pb D. Ba Q89. 22. Which of the following forms the most stable anion in the gas phase? A. CI (electron affinity -349 kJ/mol) B. S (electron affinity = -200 kJ/mol) CO (electron affinity = -141 kJ/mol) D. C(electron...
could you help with these 2 questions ? anions. Element Or has a greater electron affinity value Periodican Elements and Their Properties: 1. Element Ar has a 1s' electron configuration. 2. Elements Or, Me, and R form -1 anions. Element Or has a greater and than Me but a smaller electron affinity value than element R. 3. Elements Te, Es, T, and N are listed in order of increasing and N are listed in order of increasing ionization energy. These...
A) As B) Sb C) P D)Bi E)N 10. In which of the series of elements listed below would the elements have most nearly the same atomic radius? A) Na, K. Rb, Cs B)F, CI, Br.I C) Na, Mg. Al, Si D) Sc, Ti, V, Cr E)B, Si, As, Te Which of the following properties, in general, increases from left to right across a period in the periodic table? A) ionic charge 11、 B) atomic radius C) density D) ionization...
1) When comparing the size of ions to the neutral atom from which they are formed, which of the following is true? A) cations are larger than the neutral atom; anions are larger than the neutral atom B) cations are smaller than the neutral atom; anions are smaller than the neutral atom C) cations are larger than the neutral atom; anions are smaller than the neutral atom D) cations are smaller than the neutral atom; anions are larger than the...
Which element has the highest (most negative) electron affinity? Group of answer choices Li Kr S Mg Cr
1. Which element has the electron configuration: 1s2 2s2 2p6 3s2 3p6 4s2 3d10 4p6 5s2 4d5 ? a. Br b. Mn c. Nb d. Tc 2. What is the value of 27oC on the Fahrenheit scale? Group of answer choices a. -6.8 b. 106 c. 300 d. 81 e. none of these 3. Which of the following atoms has the largest radius? Group of answer choices a. S b. Se c. Br d. O
me following ground-state electron configurations corresponds to an atom that has the 10. Which of the following ground-state ele most negative value of the electron affinity? a) 1s 2s 2p 3s! b) 1s22s22p 3s 3p5 c) 1s 2s 2p 3s 3p2 d) 1s 2s 2p 3s 3p 3d5452 e) 1s 2s22p The element arsenic is in the same group as phosphorus. Which of the following is the formula of arsenic acid? a) H:As b) H3ASO2 c) HASO3 d) HAsO4 e)...
COnsider the following elements; Li Al Mg I S N a) Most Metallic? b) Least Metallic? C) Lowest Electronegativity? d) Highest ionization energy? e) Largest atomic radius? f) Which are non-metals? g) Which are conductors? h) Highest electron affinity? I) List them in order from small atomic to large size. J) Would gain two electrons to form ion? K) Would iodide ion considered to be cations or anions? L) Would lithium ion be larger or smaller than lithium atom? M)...
Electron Configurations of lons ③ 19 01 23 Review Constants Periodic Table When an atom forms an ion, it will gain or lose electrons to attain a more stable electron configuration, frequently that of a noblo gas. Nonmetals tend to form anions by gaining electrons, which enter the lowest energy unoccupied orbital. Metais tend to form cations by losing electrons. Main group motals lose electrons in the reverso order of filling. Transition metals, however, lose s electrons first. Part A...