1. Explain the difference in relativity of lithium versus sodium based on their relative electron configurations?
2. Identify the trend and reason for the atomic radius trend down the chromium family, and the trend and reason for the relative sizes of chronium versus aluminum?
1. Explain the difference in relativity of lithium versus sodium based on their relative electron configurations?...
1. Compare the use of sodium borohydride versus lithium aluminum hydride in terms of handling and usage. 2. Be able to decide when to use sodium borohydride and when to use lithium aluminum hydride for reducing an aldehyde.
2. (20 points) Answer the following questions based on the given ground state electron configurations Ne]3S23p, [Ne]3S2?3p*, [Ne]3S?3p* a) Identify the above elements b) Arrange the element in order of decreasing atomic radius. Explain your reasoning in complete sentences c) Arrange the elements in order of increasing first ionization energy. Explain your reasoning in complete sentences. (Hint: be careful with the exceptions) d) In one of the element, there is a huge jump between the third ionization energy and the...
Report: Periodic Properties Valence Electrons +Electron Configurations 1. Give the condensed electron configuration for the following elements. Rb d. I a. b. С e. Ca c. Si f. Pb Give the number of valence electrons for each element. 2. d. Br a. Al b. Rb c. Ar 3. Across a period of the periodic table (left to right), valence electrons... Circle the correct choice: (increase / remain the same / decrease) Down a family of the periodic table (top to...
On the basis of electron configurations explain these observations: 1) the electron affinity for nitrogen is lower than carbon 2) the electron affinity for sulfur is lower than chlorine 3) the electron affinity for iodine is lower than bromine
could you help with 1,2 and 4 ?
Part I: Review of Electron Configurations and Periodic Properties 1. Write the complete electron configuration and the noble gas shorthand for each of the following ions. a. CI b. Zn2+ C. Sn* 2. For the following questions, consider these five elements: S Br Ca kr Li a. Which element has the largest atomic radius? b. Which element has the smallest atomic radius? C. Which elements have exactly six valence electrons? d. Which...
Q2: b) Three elements have the electron configurations: 1s' 2s2 2p 3s 3p 1s2 2s2 2p6 3s2 1s2 2s2 2p6 3s 3p 4s. The first ionization energies of these elements (not in the same order) are: 0.419, 0.735, 1.527 MI/mol (MJ for mega Jouls). The atomic radii are 1.60 A°, 0.98 A°, 2.35 A°. Identify the three elements and match the appropriate values of ionization energy and atomic radius to each configuration Element Atomic Radius lonization Energy 1. 2. 3.
(a) Based on your knowledge of the periodic trend in first electron affinity, place the following in order of DECREASING electron affinity such that 1 is the element with the highest predicted first electron affinity and 5 is the element with the lowest predicted first electron affinity. 1 2 3 4 5 Si 1 2 3 4 5 C 1 2 3 4 5 Sn 1 2 3 4 5 W 1 2 3 4 5 F (b) Based on your knowledge of the periodic...
ANSWER ALL QUESTIONS PLEASE 1. What are the characteristic electron configurations of transition metals? 2. What is the general trend in atomic size across a transition metal series? 3. Which electrons, 3d or 4s, have the lowest ionization energies in a transition metal? 4. What is the general trend of the reducing strength across a transition metal series? 5. Why do transition metals have similar chemical properties? 6. Name four transition metals that are essential to the biological system. 1. Write the...
can someone help me to answer those questions
8. Explain the trend as you move across a row of the periodic table for each of the following some properties using your understanding of effective nuclear charge. Atomic radius b. Ionization energy 6. Electronegativity STOP Model 2 - The Alkali Metals Pare Atomic Number Core Charge Atomic Radius 1st lonization Energy Electro- negativity Lithium 0.91 Sodium 152 pm 186 pm 227 pm 520 kJ/mole 496 kJ/mole 419 kJ/mole 0.87 0.73 Potassium...
1) Cite the difference between atomic mass and atomic weight. 2) Without consulting any figures or tables, determine whether each of the electron configurations given below is an inert gas, a halogen, an alkali metal, an alkaline earth metal, or a transition metal. Justify your choices. (a) 1s22s22p63523p63d7452 (d) 1s22s22p6352 (b) 1s22s22p63s23p6 (e) 1s22s22p63s23p63d2452 (C) 1s22s22p5 (1) 1s22s22p63523p6451 3) (a) What type(s) of bonding would be expected for each of the following materials; brass (a copper- zinc alloy), rubber, barium...