Chemistry Chegg Worksheet

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ENGR1540Worksheet3Chapter2.docx
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ENGR 1540 Worksheet 3 Chapter 2

1. Which of the following formulas contains the most hydrogen atoms?

a. C2H6

b. (NH4)2CO3

c. H2SO4

d. Fe(OH)3

2. Name the group to which each of the following elements belongs.

a. K

b. Mg

c. Ar

d. Br

3. Classify the following elements as metals, metalloids, or nonmetals.

a. Si

b. Zn

c. B

d. N

e. K

f. S

4. Name the following covalent compounds:

a. N2O5

b. S2Cl2

c. NBr3

d. P4O10

5. Give the formula for each of the following compounds:

a. sulfur dichloride

b. dinitrogen pentoxide

c. silicon tetrachloride

d. diboron trioxide (commonly called boric oxide)

6. Write the molecular formula for each of the following covalent compounds:

a. sulfur hexafluoride

b. bromine pentafluoride

c. disulfur dichloride

d. tetrasulfur tetranitride

7. Name each of the following ionic compounds.

a. K2S

b. CoSO4

c. (NH4)3PO4

d. Ca(ClO)2

8. Name each of the following compounds.

a. MgCl2

b. Fe(NO3)2

c. Na2SO4

d. Ca(OH)2

e. FeSO4

9. Give the formula for each of the following ionic compounds.

a. ammonium carbonate

b. calcium iodide

c. copper(II) bromide

d. aluminum phosphate

e. silver(I) acetate

10. Name the following compounds.

a. PCl5

b. Na2SO4

c. Ca3N2

d. Fe(NO3)3

e. SO2

f. Br2O5