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which ha 8 valence electons? Na+, Kr, Cl-, Ti4+ they answer is “ALL” buy why? i...
Which electron configuration is correct for Sn4+? A. [Kr]4d10 B. [Kr]5s2 4d8 C. [Kr]5s2 5d8 I know that the answer is A, but can someone explain why it doesn't go in the order of [Kr] 5s2 then 4d10 ?? (Therefore being answer B) The quantum numbers for 3 and 4 go in the order 3s2 3p6 4s2 then 3d10 Why wouldn't this be the case for this problem? Please help!
Given 1mol of Na+ and 1 mol of Cl, calculate the energy released when the Na and Cl ions condense as For noninteracting ion pairs;i.e, consider only pairwise interactions Ebond= (z1*z2*e2)/(4*3.14*e0*r0) z1= 1 z2= -1 e0=8.85*10-12 which is the permittivity of a vacuum r0= 283 pm or 283*10-12m which is the distance between ions Ebond= (1*-1*e2)/4*3.14*8.85*10-12*283*10-12)=-490KJ/mol (a) Noninteracting ion squares; i.e., every four ions, 2Na and 2C1 interact with each other, but not with others. Answer: -633kJ/mol (b)1/8 unit cell...
1) The Lewis structure of N2H2 shows ________. a. each nitrogen has two nonbonding electron pairs b. each nitrogen has one nonbonding electron pair c. a nitrogen-nitrogen single bond d. each hydrogen has one nonbonding electron pair e. a nitrogen-nitrogen triple bond 2) How many electrons are in the Lewis structure of a nitrite ion (NO2-)? a. 17 b. 18 c. 16 d. 24 e. 23 3) Resonance structures differ by ________. a. number and placement of electrons b. placement...
. Include all valence lone pairs in your answer. Include counter-ions, e.g. Na, I, in your submission, but draw them in their own separate sketcher Draw one structure per sketcher. Add additional sketchers using the drop-down menu in the bottom right corner. Separate multiple products using the + sign from the drop-down menu.
explain please. (E)-which ompound mixture Caa e separated using There Can be anSwer OCH a) OH Cl OCHs Acetone waterhexane / lok. Na ol (E)-which ompound mixture Caa e separated using There Can be anSwer OCH a) OH Cl OCHs Acetone waterhexane / lok. Na ol
I need all please 19. Consider the molecule SiCl4. The electronegativity values for Si and Cl are 1.8 and 3.0, respectively. Based on these values and on consideration of molecular geometry: a. Determine if the Si-Cl bond is polar or nonpolar b. Determine if the SiCl4 molecule is polar or nonpolar. Explain why you chose your answers. 20. Draw the Lewis structure for Chlorine 21. Name an element that is likely to form an ion with a +1 charge and...
Why is the answer false? I thought that once a price ceiling has been established, you can only buy goods at lower prices. I'm confused. A binding price ceiling allows consumers to buy any quantity of the good they demand at a lower price. True or false? - Answer is False (price ceiling range cannot be accessed by consumers)
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...
Can someone please explain WHY with the answer, also which would be the SHOREST AND WHY. 1. Which of the following bonds is the longest bond? a. C-C b. C-N c. C-S d. C-H e. C-Cl
Which of the following half reactions is MOST LIKELY TO OCCUR at the cathode of an electrolytic cell containing aqueous NaCl? You may use the table of reduction potentials. Group of answer choices a) Cl2(g) + 2 e− → 2 Cl−(aq) b) Na+(aq) + e− → Na(s) c) Cl−(aq) + e− → Cl2−(aq) d) 2 H2O(l) + 2 e− → H2(g) + 2 OH−(aq) e) Na(s) + e− → Na−(aq) Can you explain which reaction I should look for (s,...