QUESTION 10 Which of the following elements is the most electronegative? O S ose O Te...
Which of these elements is most electronegative? Br F C Br O F
7. Which of the following would you expect to have ionic bonds? A) CO B) FBr C) NF3 D) NaCl 8. Which of the following molecules has nonpolar covalent bonds? A) HCl B) N2 C) CHCl3 D) NO 9. Which of the following molecules contain both covalent and ionic bonds? Naci NH4OH CHзон MgCO3 II IV I A) I, II B) I, IV C) II, III III D) II, IV
Question 49 (1 point) Saved You have 7.57 g of each of the following elements: S, Se, Sr and Sn. Which sample contains the largest number of atoms? Os Ose O se Sn
Order the following elements according to decreasing electronegativity: Rank elements from most to least electronegative. To rank items as equivalent, overlap them. Reset Help NIK W Most electronegative Least electronegative How many bonding electron pairs will N tend to have in its molecules? View Available Hint(s) Ο Ο Ο Ο Which of the following substances contains an atom that does not follow the octet rule? Check all that apply. PCI AICI Sicl OPCI
For the bonds in these molecules: LiCl, Br2, NaF, CO2, BCl3 Which has the most ionic character? Which has the most covalent character? Which two bonds have the same ionic character? Are my answers correct? Please use electronegavitiy to explain why. I'm mostly confused on the third question, which two bonds have the same ionic character, because the homework is telling me I'm both correct and incorrect for that question? Thank you for your assistance. Lici Br2 NaF CO, BCI...
QUESTION 9 Which molecule will have a higher boiling point? O NF3 O CFA QUESTION 10 Which molecule will have be more soluble in hexanes, C6H14? O CF4 O NF3
25-30 25. Which of the atoms listed below is the most electronegative? A) Li B) Cs C)P D) As E) Ge 26. The number of pi bonds in the molecule below is ?? ?? A) 2. B) 4. C) 6. D) 10. E) 15 27 Which of the following molecules have the same geometries? 28. Which of the following is a basic oxide? 29. Which of the following elements behaves chemically similarly to oxygen? 30 Lanthanide (or rare earth elements)...
22. Which one of the following bonds would be the most polar? C-N B S-o C Si-F DP-C1 23. State whether you would expect the molecules below to be polar or non-polar. a) Sif, d) NF, b) PCI, e) CCI, c) HS
ChemActivity 22 Polar, Nonpolar, and lonic Bonds 135 Exercises infog molecules (or ions) as nonpolar, polar ionic. Clasity each of the following bonds as nonpolar, polar, or ionic. C inC O-H in Ho: Si-Cl in Sicla : C-H in benzene (CoHo) Al-O in AlbO, Na-F in NaF: K-c in KCI N-O in NOj H-S in H2s: НН H-N-C-c-o-H C-O in H tot 3. Excluding the inert gases, which element in the periodic table has the largest electronegativity? Which has the...
Of the five different elements listed below, which of the following would you expect to have the largest 2nd ionization energy? O Ca O Rb O S O Cs O Ba