Question 1

Which of the following best describes the bonding in sodium chloride (NaCl)?

Accepted Answer

Ionic bonding formed by the transfer of electrons from sodium to chlorine

Question 2

What is the correct formula for magnesium phosphate, given Mg forms a $$2^+$$ ion and phosphate is $$PO_4$$^{3-}$$?

Accepted Answer

$$Mg_3$$($$PO_4)_2$

Question 3

Which of the following ions is correctly paired with its name?

Accepted Answer

$$Cl^-$$, chloride

Question 4

A sample of potassium oxide is analyzed. What is the correct formula unit for this compound?

Accepted Answer

$$K_2O$$

Question 5

Which statement about metallic bonds is TRUE?

Accepted Answer

Metallic bonds are the attraction between free-floating valence electrons and positively charged metal ions

Question 6

Which of the following is a polyatomic ion?

Accepted Answer

$$NO_3$$^-$$

Question 7

What is the charge on the ion formed by sulfur in ionic compounds?

Accepted Answer

$$2^-$$

Question 8

Which of the following best explains why ionic compounds conduct electricity in the molten state but not in the solid state?

Accepted Answer

Ions are free to move in the molten state, allowing current to flow

Question 9

Which of the following is the correct electron dot structure for fluorine ($$F$$)?

Accepted Answer

$$F$$ with 7 dots around the symbol

Question 10

A compound is formed between aluminum ($$Al^{3+}) $$and sulfate ($$SO_4$$^{2-}$$). What is its correct formula?

Accepted Answer

$$Al_2$$($$SO_4)_3$

Question 11

Which of the following is NOT a property of ionic compounds?

Accepted Answer

They are good conductors of electricity in solid state

Question 12

What is the correct name for $$FeCl_3$$?

Accepted Answer

Iron(III) chloride

Question 13

Which of the following best describes the octet rule?

Accepted Answer

Atoms tend to have 8 electrons in their valence shell to achieve stability

Question 14

Which of the following ions is formed when calcium reacts to form an ionic compound?

Accepted Answer

$$Ca^{2+}$$

Question 15

What is the correct formula for ammonium sulfate?

Accepted Answer

$$(NH_4$)_2SO_4$$

Question 16

Which of the following is a property of metals with metallic bonds?

Accepted Answer

They are good conductors of electricity

Question 17

Which of the following is the correct formula for chromium(III) oxide?

Accepted Answer

$$Cr_2O_3$$

Question 18

A student mixes copper(II) chloride and sodium phosphate in water. What is the formula of the precipitate formed?

Accepted Answer

$$Cu_3$$($$PO_4)_2$

Question 19

Which of the following is the correct name for $$Mg(NO_3$)_2$$?

Accepted Answer

Magnesium nitrate

Question 20

Which of the following best explains why alloys are often used instead of pure metals?

Accepted Answer

Alloys have improved properties such as strength and corrosion resistance

Ionic Compounds & Metals: Structure, Properties, and Nomenclature

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