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To which group does element X belong if its Lewis symbol is ?
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Chemistry - With Access (Looseleaf) (Custom)
- A liquid compound used in dry cleaning contains 14.5% C and 85.5% Cl by mass and has a molecular mass of 166 amu. Write the Lewis formula for the molecule.arrow_forwardWrite Lewis structures that obey the octet rule for each of the following molecules. a. CCl4 b. NCl3 c. SeCl2 d. ICl In each case, the atom listed first is the central atom.arrow_forwardFor each of the following molecular models, write an appropriate Lewis formula.arrow_forward
- Consider the Lewis structure of L2Z shown below where neither L nor Z are capable of forming an expanded octet. Without changing the central atom, how many total resonance structures, including the one shown below, are possible? Group of answer choices 4 3 2 1arrow_forwardWrite Lewis structures for the following: (c) C2F6 (contains a C¬C bond), (d) AsO3 3 -, (e) H2SO3 (H is bonded to O), (f) NH2Cl.. Arrange the bonds in each of the following sets in order of increasing polarity: (a) C¬F, O¬F, Be¬F; (b) O¬Cl, S¬Br, C¬P; (c) C¬S, B¬F, N¬O. What is the Lewis symbol for each of the following atoms or ions? (a) K, (b) As, (c) Sn2 + , (d) N3 Write electron configurations for the following ions and determine which have noble-gas configurations: (a) Cd2+, (b) P3-, (c) Zr4+arrow_forwardWrite Lewis structures and predict whether each of the following is polar or nonpolar. (You can draw the structure and send on Canvas, or attach the file here, or you can also use the draw feature within Inspera in the panel above) a. HOCN (exists as HOOCN) b. COS c. SO2 d. H2CO (C is the central atom)arrow_forward
- (a) Complete the following table:BESTLewis structureNH4+Draw Lewis structure:VSEPR Formula for central atom: _________________________SOF2Draw Lewis structure:VSEPR formula for central atom: __________________________XeF2Draw Lewis structure:VSEPR formula for central atom: ________________________H2SO3Draw Lewis structure:VSEPR formula for central atom: ________________________3(b) (i) In general, for what two kinds of substances do we draw Lewis structures?____________________________________________________________________________(ii) Complete the following Lewis structure and answer the questions below it.CHNHC OOC C NH HHHWhat is the empirical formula of this compound? __________________________________How many lone pairs of electrons that this compound have? __________________________How many multiple bonds does this compound have? _______________________________How many nonbonding electrons does this compound have? __________________________How many molecules are in 15.0 mg of…arrow_forwardConsider an ion with the symbol Z- and the electronic configuration 1s22s22p63s23p6. a. What is the group number of the element Z?b. What is the element Z?c. What is the Lewis symbol of this element?d. What is the formula of the compound formed from a nickel(II) ion and Z?arrow_forwardThe C¬O bond length in carbon monoxide, CO, is 1.13 Å, whereas the C¬Obond length in CO2 is 1.24 Å. Without drawing a Lewis structure, do you think thatCO contains a single, double, or triple bond?arrow_forward
- Barium azide is 62.04% Ba and 37.96% N. Each azide ion hasa net charge of 1-. (a) Determine the chemical formula ofthe azide ion. (b) Write three resonance structures for theazide ion. (c) Which structure is most important? (d) Predictthe bond lengths in the ion.arrow_forward8.48.) draw the lewis structure for the following: (a)H2CO (both H atoms are bonded to C), (b)H2O2, (c)C2F6 (contains a C---C Bond), (d) AsO3^-3, (e) H2SO3 (H is bonded to O),(f) C2H2.arrow_forward
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