Q 13 please 1: Which combination of formula/name is incorrect?A. Fel iron (1) oxideC.NO/ dinitroge monoxide2: Which of the following molecules is porA thìB.CO/ chromium(IV) ondeD. Fe,Sy iron (III) sulfideB) Brf,C%₂D) PCL,3:Based on VSEPR, what are the molecular shape and the hybridization of the central atom in SCI?A) seesaw (distorted tetrahedral), spd 1) setraitedral, sp C) seesaw (distorted tetrahedral), sp D) square planar, sp'd4:What is the hybridization of the carbon atoms orbitals in the following compound and how many bonds are there inthis compound?A) hybridization: sp, number of x bonds: 1C) hybridization: sp, number of x bonds: 1B) hybridization: sp, number of x bonds: 2D) bybridization: sp,number of a bonds: 25:What is the concentration of CT ions in a solution formed by mixing 55 ml. of 0.500 M CaC); and 5.5 L of 0.500 MCaChD) 1.000 MC) 0.750 MA) 0.250 MB) 0.500 M1.2 pg 1. can also be written as (equal to)1.2 mg/ ml.B) 12 g/ulC) 1.2-10 mg/LThe temperature of 40°C in Fahrenheit is-40%B)-273 "FC)0°FD) 32 °FRemoving one mole of electrons from the surface of gold requires 492 kJ of energy. How much energy does it take toremove one electron.D) 2.96x10¹" JE. None of ThemA)8.17x10 JB) 8.17x10" 1C) 2.96x1019: Which of the following make an isoelectronic pair!ACa and FeD) CT and CaB)O and F10: Which of the elements listed below has the greatest electronegativity?A) SeB) SbC) KD) Ga11: After balance the following equation, simplest coefficient of water is:E) F and CT.E) FeCa(OH),(aq)+H,PO,(aq)-H₂O(l) + Ca(PO.);(s)D. 6D) 1.2 kg/L.A.3B. 4C. 512: Which of the following bonds would be the least polar?A)H-FB) N-FC) C-FD) CI-F13: Which of the following has a Lewis structure as CO,A). 0,B) SO,¹C) NO,D) NO,14: Which one of the following decreases as the number of bonds between two carbon atoms increases?A) number of electrons between the carbon atoms. B) bond length. C) bond polarity.D) none of these.E. None of Them

1: Which combination of formula/name is income? A. Fel iron (1) oxide C.NO/ dinitrogen monoxide 2: Which of the following molecules is polar! B.CO/ chromium(IV) onde D. FeSimon (III) sulfide B) Brf, C)%₂ D) PCL, 3:Based on VSEPR, what are the molecular shape and the hybridization of the central atom in SCL? A) seesaw (distorted tetrahedral), spd 15) setratedral, sp C) seesaw (distorted tetrahedral), sp D) square planer, sp'd 4:What is the hybridization of the carbon atoms orbitals in the following compound and how many bonds are there in this compound? H-CEN A) hybridization: sp, number of x bonds: 1 C) hybridization: sp, number of x bonds: 1 B) bybridization: sp, number of a bonds: 2 D) bybridization: sp, number of x bonds: 2 5:What is the concentration of CT ions in a solution formed by mixing 55 ml. of 0.500 M CaCl, and 5.5 L of 0.500 M CaCh D) 1.000 M A) 0.250 M B) 0.500 M 1.2 pg /. can also be written 1.2 mg/ ml. as (equal to) B) 1.2 g/ml. C) 1.2-10 mg/L The temperature of-40 °C in Fahrenheit is 40°F B)-273 "F C)0F D) 32 °F Removing one mole of electrons from the surface of gold requires 492 kJ of energy. How much energy does it take to remove one electron C) 2.96x101 D) 2.96x10² J C)0.750 M A)8.17x10 J B) 8.17x10" J 9: Which of the following make an isoelectronic pair! AXC and Fe D) CT and Ca B) O and F 10: Which of the elements listed below has the greatest electronegativity? A) Se B) Sb C) K D) Ga 11: After balance the following equation, simplest coefficient of water is: E. None of Them A.J B. 4 12: Which of the following bonds would be the least polar? A)H-F B) N-F C) C-F 13: Which of the following has a Lewis structure as CO, B) SO,² D) 1.2 kg/1. E) F and CT. E) Fe Ca(OH),(aq) + H,PO,(aq)- H,O(1)+ Ca,(PO.);(s) C. 5 D. 6 D) CI-F A). O, C) NO, D) NO, 14: Which one of the following decreases as the number of bonds between two carbon atoms increases? A) number of electrons between the carbon atoms. B) bond length. C) bond polarity. D) none of these E. None of Them