he metals in Group IIIA, IVA and VA of the periodic table are not transition metals. However, all but 1 e variable charges. What element in Group IIIA, Period 3 has a fixed charge, and what is that charge? 三 T2 T 0 Word(s) . Describe the difference between molecular and ionic compounds. B I T2 T' 26 Word(s) Molecular compounds are pure substances formed when atoms are linked together by sharing of electrons while ionic compounds are formed due to the transfer of electrons

he metals in Group IIIA, IVA and VA of the periodic table are not transition metals. However, all but 1 e variable charges. What element in Group IIIA, Period 3 has a fixed charge, and what is that charge? 三 T2 T 0 Word(s) . Describe the difference between molecular and ionic compounds. B I T2 T' 26 Word(s) Molecular compounds are pure substances formed when atoms are linked together by sharing of electrons while ionic compounds are formed due to the transfer of electrons

Chemistry: Principles and Reactions

8th Edition

ISBN:9781305079373

Author:William L. Masterton, Cecile N. Hurley

Publisher:William L. Masterton, Cecile N. Hurley

Chapter2: Atoms, Molecules, And Ions

Section: Chapter Questions

Problem 74QAP: Which of the following statements is/are always true? Never true? Usually true? (a) Compounds...

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Which of the following statements is/are always true? Never true? Usually true? (a) Compounds containing chlorine can be either molecular or ionic. (b) An ionic compound always has at least one metal. (c) When an element in a molecule has a di prefix, it means that the element has a +2 charge.
What is the charge on the common monatomic ions of the following elements? (a) selenium (b) fluorine (c) iron (d) nitrogen
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Consider the following data for three binary compounds of hydrogen and nitrogen: %H (by Mass) %N (by Mass) I 17.75 82.25 II 12.58 87.42 III 2.34 97.66 When 1.00 L of each gaseous compound is decomposed to its elements, the following volumes of H2(g) and N2(g) are obtained: H2(L) N2(L) I 1.50 0.50 II 2.00 1.00 III 0.50 1.50 Use these data to determine the molecular formulas of compounds I, II, and III and to determine the relative values for the atomic masses of hydrogen and nitrogen.
Sodium ions, Na+, form ionic compounds with fluoride ions, F, and iodide ions, I. The radii of these ions are as follows: Na+ = 116 pm; F = 119 pm; and l = 206 pm. In which ionic compound, NaF or Nal, are the forces of attraction between cation and anion stronger? Explain your answer.
II 121 !!! ... estion Completion Status: QUESTION 2 Which is true regarding the compound KCI? Note that this is CI" for chlorine, not "C" for carbon and "I" for iodine. it is ionic and held together by opposite charge it is ionic and held together by shared electrons it is molecular and held together by charge O it is molecular and held together by shared electrons QUESTION 3 Describe your reasoning for your choice in the previous problem For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). Paragraph Arial 10pt x² X, g T Te ABC + – >田 P. QUESTION 4 Which is true regarding the compound K2S? O it is ionic and held together by opposite charge Click Save and Submit to save and submit. Click Save All Answers to save all answers. MacBook Air DD 000 000 F4 F6 F5 esc F3 F1 F2
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||| O ATOMS, IONS AND MOLECULES Naming ionic compounds with common polyatomic ions Fill in the name and empirical formula of each ionic compound that could be formed from the ions in this table: cation Pb Co 4+ Ca 3+ 2+ anion Mn 0₁ 4 3- PO 103 Some ionic compounds empirical formula R name of compound X C
Write the formulas for the ionic compounds formed between these ions and name the compound. Make sure you account for the correct number of ions (or polyatomic ions) when writing the formulas. Use the formula method: the charge on one becomes the subscript of the other. b.) Iodide ion and magnesium ion: Mg2+ + I - = c.) Calcium ion and Sulfate ion: Ca2+ + SO₄2- = d.) Iron (II) ion and phosphate ion: Fe2+ + PO₄3- = e.) Ammonium ion and phosphate ion: NH₄+ + PO₄3- =