Question 1

Which of the following statements is TRUE for a neutral atom?

Accepted Answer

The number of protons equals the number of electrons.

Question 2

A negatively charged ion is called a:

Accepted Answer

Anion

Question 3

What is the charge of a beryllium ion formed from a neutral beryllium atom?

Accepted Answer

$$+2$$

Question 4

Which of the following is the correct formula for magnesium nitrate?

Accepted Answer

$$\mathrm{Mg(NO_3$)_2}$$

Question 5

What is the correct name for the ion $$\mathrm{Fe$$^{2+}$$}$$?

Accepted Answer

Ferrous ion

Question 6

Which of the following ions is a polyatomic ion?

Accepted Answer

$$\mathrm{NO_3$^-}$$

Question 7

A sodium atom ($$\mathrm{Na}) $$loses one electron to form a sodium ion. What is the electron configuration of the resulting ion?

Accepted Answer

$$1s^2$$\ $$2s^2$$\ $$2p^6$$

Question 8

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

Accepted Answer

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

Question 9

Which of the following ions is most likely to be formed by a Group 7A (halogen) element?

Accepted Answer

$$-1$$

Question 10

What is the correct name for the ion $$\mathrm{Cu^+}$$?

Accepted Answer

Copper(I) ion

Question 11

Which of the following is the correct formula for calcium phosphate?

Accepted Answer

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

Question 12

Which of the following ions is named by replacing the ending of the element name with '-ide'?

Accepted Answer

$$\mathrm{Cl^-}$$

Question 13

A chlorine atom ($$\mathrm{Cl}) $$gains one electron to form a chloride ion. What is the electron configuration of the resulting ion?

Accepted Answer

$$1s^2$$\ $$2s^2$$\ $$2p^6$$\ $$3s^2$$\ $$3p^6$$

Question 14

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

Accepted Answer

$$\mathrm{Fe_2O_3}$$

Question 15

Which of the following ions is a transition metal ion with a +2 charge?

Accepted Answer

$$\mathrm{Cu$$^{2+}$$}$$

Question 16

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

Accepted Answer

$$\mathrm{$$KMnO_4$$}$$

Question 17

Which of the following ions is most likely to be formed by a Group 2A element?

Accepted Answer

$$+2$$

Question 18

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

Accepted Answer

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

Question 19

Which of the following is the correct name for $$\mathrm{Sn$$^{4+}$$}$$?

Accepted Answer

Stannic ion

Question 20

A patient is given a medication containing sodium nitrite. What is the formula for the nitrite ion?

Accepted Answer

$$\mathrm{NO_2$^-}$$

Ionic Compounds: Structure, Formation, and Nomenclature

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