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- 4. The table gives the melting points, the boiling points and the electrical properties of six substances A to F. melting point boiling point electrical conductivity electrical conductivity as a liquid substance 1°C °C as a solid -210 -196 does not conduct does not conduct B 777 1627 does not conduct good conductor 962 2212 good conductor good conductor D -94 63 does not conduct does not conduct 1410 2355 does not conduct does not conduct F 1064 2807 good conductor good conductor C.Classify each compound as ionic or molecular. If it is ionic,determine whether the metal forms only one type of ion ormore than one type of ion. (a) KCl (b) CBr4 (c) NO2 (d) Sn(SO4)2Predict the charges of the monoatomic ions formed by each main-group element.(a) N(b) Rb
- Consider the following elements in their stable forms: Chlorine Fluorine Bromine Carbon Then for each of the following questions, enter the number listed (1-4) before the element, for elements that satisfy the criterion. Enter the number(s) in order with no separators. If none, type "none" or leave blank. (a) Which of these elements have allotropes? fill in the blank 2d8840092ffc02e_1 (b) Which of these elements exist as diatomic molecules? fill in the blank 2d8840092ffc02e_2 (c) Which of these elements exist as a metallic lattice?Which of the following is an example of an inorganic compound? a) Sodium chloride (NaCl)b) Methane (CH 4 )c) Ethanol (C 2 H 5 OH)d) Benzene (C 6 H 6 )(c) Argon d) Fluorine 6. The number of nonmetal atoms in Al2(SO4)3 (a) 2 15 (b) (c) 12 (d) 8 7. Which of the following properties of water is not a (a) Water normally boils at 100°C
- Although not a transition metal, lead can form Pb2+Pb2+ and Pb4+Pb4+ ions. Write the formula for the compound formed between each of these lead ions and the following anions:(a) Oxide ionis the chemical formula, C2OH2N2O2, how would you write 3 molecules of this compoundWrite a chemical formula for each compound. (a) the compound containing two silver atoms to every sulfur atom(b) the compound containing two nitrogen atoms to every oxygen atom(c) the compound containing two oxygen atoms to every titanium atom
- Write a chemical formula for a compound that containstwo chlorine atoms to every one oxygen atom. (a) Cl2O(b) ClO2(c) 2ClO(d) Cl(O2)2Which of these compounds is named correctly? (A) MnO2 = manganese(II) oxide (B) Cu2S = copper(I) sulfide (C) Na3PO4 = trisodium phosphate (D) CaF2 = calcium(II) fluorideis dichloromthane an ionic or molecular compound?
