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Verizon 6:14 PM 67% Files 2015 Exam 2.docx Please read and follow directions as

ID: 229777 • Letter: V

Question

Verizon 6:14 PM 67% Files 2015 Exam 2.docx Please read and follow directions as written for each section and question. Section A. Multiple Choice Questions. Circle only one answer for each question. Each question is worth 4 points for a total of 28 possible points in this section. 1. A ionic bond is best described as: (a) the attraction of two metal ions (b) the transfer of electron(s) from a metal to a nonmetal (c) the sharing of electrons (d) the attraction of two nonmetal ions 2. Identify the compound with covalent bonds (a) MgO (d) AIN eNaH (b) Cu,S (c) Co 3. Which of the following elements exist as an molecular element in nature? (a) N (b) F (c) S (d) o (c) Ca 4. Which of the following is an ionic compound? (a) CH, (b) NH, cP (d) XeF e) ZnS 5. Which of the following is an organic compound? (a) CH, (b)NH (c) P,0(d) XeF (e ZnS 6. Select the formula for the compound formed between magnesium and nitrogen Mg,N 7. What is the empirical formula of a compound with molecular (b) MgN (e) Mg,N, (a) MgN (c) MgN formula C,H? a) C,H4 (b) C,H (c) CH CH (e) CH Section B. Write your answers in the space following each question. Please show your working and write clearly. No credit will be given for illegible or ambiguous work. There are a total of 20 possible Dashboard Calendar To Do Notifications Inbox

Explanation / Answer

1. In ionic bond metal lose of electrons to convert the cation and non metal gain that electron
converted to anion.
b. the transfer of electrons(s) from a metal to a nonmetal
2. Co2 is covalent molecule. MgO,Cu2S,AlN,NaH are ionic compounds.
c. Co2
3. N2, O2 are presen the atmophere
a.N, d.O
4. ZnS is ionic compound.it is formed between metal and nonmetal.
e.ZnS
5.carbon containing compounds are called orgainc compounds.
a.CH4
6. d.Mg3N2
7. molecular formula = (empirical formula)n
d. C1H2 >>>answer