Question 1

Which of the following is the correct chemical formula for the ion named 'hydrogen sulfate' (also known as 'bisulfate')?

Accepted Answer

$$\mathrm{$$HSO_4$$^-}$$

Question 2

Which element has the symbol 'Sn'?

Accepted Answer

Tin

Question 3

A patient is exposed to a compound containing $$\mathrm{NH_4$^+}. $$What is the name of this ion?

Accepted Answer

Ammonium

Question 4

Which of the following is the correct formula for 'dichromate'?

Accepted Answer

$$\mathrm{Cr_2O_7$$^{2-}$$}$$

Question 5

Which of the following is the correct name for $$\mathrm{C_2H_6}$$?

Accepted Answer

Ethane

Question 6

A water treatment plant uses $$\mathrm{$$ClO_4$$^-} as an $$oxidizing agent. What is the name of this ion?

Accepted Answer

Perchlorate

Question 7

Which of the following is the correct formula for 'hydronium'?

Accepted Answer

$$\mathrm{H_3O^+}$$

Question 8

Which element is represented by the symbol 'Fe'?

Accepted Answer

Iron

Question 9

A laboratory technician needs to prepare a solution containing the 'carbonate' ion. Which formula should they use?

Accepted Answer

$$\mathrm{CO_3$^{2-}}$$

Question 10

Which of the following is the correct name for $$\mathrm{C_7H_{16}}$$?

Accepted Answer

Heptane

Question 11

Which of the following ions is commonly known as 'bicarbonate'?

Accepted Answer

$$\mathrm{$$HCO_3$$^-}$$

Question 12

Which element is represented by the symbol 'K'?

Accepted Answer

Potassium

Question 13

A chemist is analyzing a sample and detects the presence of $$\mathrm{$$MnO_4$$^-}. $$What is the name of this ion?

Accepted Answer

Permanganate

Question 14

Which of the following is the correct formula for 'oxalate'?

Accepted Answer

$$\mathrm{C_2O_4$$^{2-}$$}$$

Question 15

Which of the following is the correct name for $$\mathrm{$$BrO_3$$^-}$$?

Accepted Answer

Bromate

Question 16

A sample contains $$\mathrm{H_2PO_4^-}. $$What is the correct name for this ion?

Accepted Answer

Dihydrogen phosphate

Question 17

Which of the following is the correct formula for 'peroxide'?

Accepted Answer

$$\mathrm{O_2$^{2-}}$$

Question 18

Which element is represented by the symbol 'Pb'?

Accepted Answer

Lead

Question 19

Which of the following is the correct name for $$\mathrm{$$ClO_2$$^-}$$?

Accepted Answer

Chlorite

Question 20

A gasoline sample is primarily composed of $$\mathrm{C_8H_{18}}. $$What is the name of this compound?

Accepted Answer

Octane

Essential Chemical Symbols and Names: Elements, Ions, and Molecules

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