Question 1

Which of the following best describes the type of bonding in magnesium fluoride ($$\mathrm{$$MgF_2$$}$$)?

Accepted Answer

Ionic

Question 2

What is the correct name for the compound $$\mathrm{$$FeCl_3$$}$$?

Accepted Answer

Iron(III) chloride

Question 3

Which of the following ions is isoelectronic with neon ($$\mathrm{Ne}$$)?

Accepted Answer

$$\mathrm{Na^+}$$

Question 4

Which of the following compounds contains both ionic and covalent bonds?

Accepted Answer

$$\mathrm{NH_4NO_3}$$

Question 5

Which of the following best explains why $$\mathrm{Na^+} is $$smaller than $$\mathrm{Na}$$?

Accepted Answer

$$\mathrm{Na^+}$$ has fewer electrons, resulting in less electron-electron repulsion

Question 6

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

Accepted Answer

$$\mathrm{KClO}$$

Question 7

Which of the following best describes the trend in lattice energy as the size of the ions increases?

Accepted Answer

Lattice energy decreases

Question 8

Given the Born-Haber cycle, which step corresponds to the energy required to remove an electron from a gaseous atom?

Accepted Answer

Ionization energy ($$E_{i1})$$

Question 9

Which of the following ions has the largest ionic radius?

Accepted Answer

$$\mathrm{Cl^-}$$

Question 10

Which of the following best explains why the first ionization energy of argon ($$\mathrm{Ar}) is $$much higher than that of potassium ($$\mathrm{K}$$)?

Accepted Answer

Argon has a filled valence shell, making it more stable

Question 11

Which of the following is the correct name for $$\mathrm{Al($$ClO_3$$)_3}$$?

Accepted Answer

Aluminum chlorate

Question 12

Which of the following best describes the trend in first ionization energy across a period from left to right?

Accepted Answer

It increases

Question 13

Which of the following is the correct electron configuration for $$\mathrm{Ca$$^{2+}$$}$$?

Accepted Answer

$$1s^22s^22$p^63s^23$p^6$$

Question 14

Which of the following best explains why lattice energy is higher for $$\mathrm{MgO}$$ than for $$\mathrm{NaCl}$$?

Accepted Answer

$$\mathrm{MgO}$$ has ions with higher charges

Question 15

Which of the following is the correct formula for ammonium sulfate?

Accepted Answer

$$\mathrm{(NH_4$)_2SO_4}$$

Question 16

Which of the following best describes the structure shown in the third image (green and gold spheres in a cubic arrangement)?

Accepted Answer

An ionic crystal lattice

Question 17

Which of the following is the correct name for $$\mathrm{Cr_2$(SO_4$)_3}$$?

Accepted Answer

Chromium(III) sulfate

Question 18

Which of the following best explains why anions are larger than their parent atoms?

Accepted Answer

Anions have more electrons, increasing electron-electron repulsion

Question 19

Which of the following is the correct formula for sodium hydrogen carbonate?

Accepted Answer

$$\mathrm{$$NaHCO_3$$}$$

Question 20

Which of the following best describes the energy change when an electron is added to a chlorine atom in the gas phase?

Accepted Answer

Electron affinity

Atoms and Ionic Bonds: Structure, Formation, and Properties

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