Question 1

Which of the following correctly describes the difference between ionic and molecular compounds?

Accepted Answer

Ionic compounds consist of cations and anions held together by electrostatic attraction, while molecular compounds consist of nonmetal atoms bonded by shared electrons.

Question 2

What is the correct name for the ion $$\mathrm{Fe$$^{3+}$$}$$ according to the Stock system?

Accepted Answer

Iron (III) ion

Question 3

Which of the following is the correct formula for a compound formed from $$\mathrm{Al$$^{3+}$$}$$ and $$\mathrm{PO_4$^{3-}}$$?

Accepted Answer

$$\mathrm{$$AlPO_4$$}$$

Question 4

A patient is prescribed a medication containing potassium nitrate. What is the correct chemical formula for potassium nitrate?

Accepted Answer

$$\mathrm{$$KNO_3$$}$$

Question 5

Which of the following is the correct name for the compound $$\mathrm{$$CuSO_4$$}$$?

Accepted Answer

Copper (II) sulfate

Question 6

What is the correct formula for tin(IV) dichromate?

Accepted Answer

$$\mathrm{Sn(Cr_2O_7)_2}$$

Question 7

Which of the following is the correct name for $$\mathrm{SO_3$}$$, a compound used in industrial processes?

Accepted Answer

Sulfur trioxide

Question 8

A water sample is found to contain $$\mathrm{H_2SO_4} (aq). $$What is the correct name for this acid?

Accepted Answer

Sulfuric acid

Question 9

Which of the following is the correct formula for dinitrogen pentasulfide?

Accepted Answer

$$\mathrm{N_2S_5}$$

Question 10

What is the correct name for the compound $$\mathrm{Ag_3N}$$, which is used in specialized batteries?

Accepted Answer

Silver nitride

Question 11

Which of the following is the correct formula for phosphoric acid?

Accepted Answer

$$\mathrm{H_3PO_4}$$~(aq)

Question 12

A compound is formed from $$\mathrm{Ni$$^{2+}$$}$$ and $$\mathrm{PO_4$^{3-}}. $$What is its correct formula?

Accepted Answer

$$\mathrm{Ni_3$(PO_4$)_2}$$

Question 13

Which of the following is the correct name for $$\mathrm{K_2SO_4}$$, a compound commonly used as fertilizer?

Accepted Answer

Potassium sulfate

Question 14

What is the correct formula for cobalt(II) nitride?

Accepted Answer

$$\mathrm{Co_3N_2}$$

Question 15

Which of the following is the correct name for $$\mathrm{PF_5$}$$, a compound used in organic synthesis?

Accepted Answer

Phosphorus pentafluoride

Question 16

A compound is formed from $$\mathrm{Ca$$^{2+}$$}$$ and $$\mathrm{Br^-}. $$What is its correct formula and name?

Accepted Answer

$$\mathrm{$$CaBr_2$$}$$, calcium bromide

Question 17

Which of the following is the correct name for $$\mathrm{$$HNO_2$$}$$~(aq)?

Accepted Answer

Nitrous acid

Question 18

What is the correct formula for potassium sulfite?

Accepted Answer

$$\mathrm{K_2SO_3}$$

Question 19

Which of the following is the correct name for $$\mathrm{Mn(CN)_2}$$, a compound used in coordination chemistry?

Accepted Answer

Manganese (II) cyanide

Step-by-Step Guidance for Naming and Writing Chemical Compounds

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