Question 1

Which of the following best describes the process of ionic bond formation between sodium (Na) and chlorine (Cl)?

Accepted Answer

Sodium transfers one valence electron to chlorine, forming Na$$^+$$ and Cl$$^-$$ ions.

Question 2

What is the charge on the magnesium ion in magnesium chloride (MgCl$$_2$$)?

Accepted Answer

$$+2$$

Question 3

Which of the following pairs of elements is most likely to form an ionic compound?

Accepted Answer

Sodium and Fluorine

Question 4

A neutral atom of potassium (K) loses one electron. What is the resulting ion and its charge?

Accepted Answer

K$$^+$$, potassium cation

Question 5

Which ion has the same number of electrons as the noble gas argon?

Accepted Answer

Cl$$^-$$

Question 6

What is the correct formula for the ionic compound formed between calcium (Ca$$^{2+}) $$and nitrate (NO$$_3^-$$)?

Accepted Answer

Ca(NO$$_3$$)$$_2$$

Question 7

Which of the following statements about ionic compounds is TRUE?

Accepted Answer

Ionic compounds are generally soluble in water and conduct electricity when dissolved.

Question 8

What is the name of the compound FeCl$$_3$$?

Accepted Answer

Iron(III) chloride

Question 9

Which of the following is the correct formula for potassium carbonate?

Accepted Answer

K$$_2CO$_3$$

Question 10

A patient is prescribed magnesium hydroxide as an antacid. What is the correct chemical formula for magnesium hydroxide?

Accepted Answer

Mg(OH)$$_2$$

Question 11

Which of the following ions is a polyatomic ion?

Accepted Answer

SO$$_4$$^{2-}$$

Question 12

What is the correct name for the compound Na$$_2SO$_4$$?

Accepted Answer

Sodium sulfate

Question 13

Which of the following best explains why ionic compounds have high melting points?

Accepted Answer

Strong electrostatic attractions between oppositely charged ions require a lot of energy to break.

Question 14

What is the correct formula for iron(III) nitrate?

Accepted Answer

Fe(NO$$_3$$)$$_3$$

Question 15

Which of the following is the correct name for the compound CaCO$$_3$$?

Accepted Answer

Calcium carbonate

Question 16

A transition metal forms two different ions: Fe$$^{2+}$$ and Fe$$^{3+}. $$What are the correct names for these ions?

Accepted Answer

Iron(II) and Iron(III)

Question 17

Which of the following compounds contains a polyatomic ion?

Accepted Answer

KNO$$_3$$

Question 18

What is the correct formula for aluminum sulfate?

Accepted Answer

Al$$_2(SO$_4$$)$$_3$$

Question 19

Which of the following is the correct name for the compound K$$_2SO$_4$$?

Accepted Answer

Potassium sulfate

Question 20

A patient receives a treatment that uses chemical bonds to deliver a toxic payload directly to cancerous cells. Which subatomic particles are primarily involved in the formation of these chemical bonds?

Accepted Answer

Valence electrons

Ionic Compounds: Structure, Formation, and Nomenclature

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