Question 1

Which of the following best describes the type of bonding and particle arrangement in sodium chloride (NaCl), as shown in the first image?

Accepted Answer

Ionic bonds between ions arranged in a crystal lattice

Question 2

A magnesium atom loses two electrons to form a magnesium ion. What is the electron configuration of the resulting ion?

Accepted Answer

$$2,8$$

Question 3

Which of the following compounds contains a polyatomic ion and is used as an antacid?

Accepted Answer

Al(OH)3

Question 4

What is the correct formula for the compound formed between aluminum ions and sulfate ions?

Accepted Answer

$$\mathrm{Al_2$(SO_4$)_3}$$

Question 5

Which of the following statements about ionic compounds is TRUE?

Accepted Answer

They consist of positive and negative ions held together by strong ionic bonds.

Question 6

What is the correct name for the compound with the formula $$\mathrm{Mg(NO_3$)_2}$$?

Accepted Answer

Magnesium nitrate

Question 7

A compound contains the ions $$\mathrm{Fe$$^{3+}$$}$$ and $$\mathrm{O$$^{2-}$$}. $$What is the correct formula for this compound?

Accepted Answer

$$\mathrm{Fe_2O_3}$$

Question 8

Which of the following is the correct name for the compound $$\mathrm{Cu_2CO_3}$$, given that copper can have variable charges?

Accepted Answer

Copper(I) carbonate

Question 9

What is the main attractive force present in liquid ammonia ($$\mathrm{NH_3$}$$)?

Accepted Answer

Hydrogen bonds

Question 10

Which of the following molecules is nonpolar, despite having polar bonds?

Accepted Answer

CO$$_2$$

Question 11

What is the correct formula for sodium phosphate?

Accepted Answer

$$\mathrm{Na_3PO_4}$$

Question 12

Which of the following best describes the bond type in potassium iodide (KI)?

Accepted Answer

Ionic bond

Question 13

What is the correct name for the compound $$\mathrm{N_2O_4}$$?

Accepted Answer

Dinitrogen tetroxide

Question 14

Which of the following ions is formed when chlorine gains one electron?

Accepted Answer

$$\mathrm{Cl^-}$$

Question 15

A compound contains $$\mathrm{Ba$$^{2+}$$}$$ and $$\mathrm{Cl^-}$$ ions. What is the correct formula for this compound?

Accepted Answer

$$\mathrm{$$BaCl_2$$}$$

Question 16

Which of the following is the correct name for $$\mathrm{Al_2S_3}$$?

Accepted Answer

Aluminum sulfide

Question 17

What is the correct formula for magnesium bromide?

Accepted Answer

$$\mathrm{$$MgBr_2$$}$$

Question 18

Which of the following best describes the electron arrangement after sodium loses one electron?

Accepted Answer

$$2,8$$

Question 19

Which of the following is the correct formula for calcium phosphate, a dietary supplement?

Accepted Answer

$$\mathrm{Ca_3$(PO_4$)_2}$$

Question 20

Which of the following molecules has a trigonal pyramidal shape according to VSEPR theory?

Accepted Answer

NH$$_3$$

Chapter 6: Ionic and Molecular Compounds – Structured Study Notes

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