Question 1

Which of the following elements is most likely to form a $+1$ ion based on its position in the periodic table?

Accepted Answer

Na

Question 2

What is the expected charge of a gallium ion when it forms its most common ion?

Accepted Answer

$+3$

Question 3

Which element is most likely to possess a $-2$ charge when it combines with other elements?

Accepted Answer

Oxygen ($O$)

Question 4

If an element is located in Period 10, Group 3B of the periodic table, what is its likely major charge?

Accepted Answer

$+3$

Question 5

What is the likely charge of the element with atomic number $47$?

Accepted Answer

$+1$

Question 6

How many electrons would a cadmium ion ($Cd^{2+}$) possess?

Accepted Answer

$46$

Question 7

Which of the following elements is least likely to form a $+2$ ion?

Accepted Answer

Potassium ($K$)

Question 8

A main group element has $7$ valence electrons. What is its most likely ionic charge?

Accepted Answer

$-1$

Question 9

Which of the following statements best explains why transition metals often have multiple possible charges?

Accepted Answer

Their electron arrangements allow for the loss of different numbers of electrons from $d$ orbitals.

Question 10

Which element is most likely to form a $+2$ ion and is found in Group 2A?

Accepted Answer

Strontium ($Sr$)

Question 11

An unknown element forms a $+3$ ion and is located in Group 3A. Which element is it most likely to be?

Accepted Answer

Gallium ($Ga$)

Question 12

Which of the following ions has the same number of electrons as a neutral xenon atom ($Xe$)?

Accepted Answer

$I^{-}$

Question 13

A student claims that bismuth ($Bi$) forms a $+5$ ion. Based on periodic trends, which is the most likely charge for bismuth?

Accepted Answer

$+3$

Question 14

Which of the following elements is most likely to form a $-3$ ion?

Accepted Answer

Nitrogen ($N$)

Question 15

If an atom of selenium ($Se$) gains two electrons, what is its resulting charge?

Accepted Answer

$-2$

Question 16

Which of the following elements is most likely to lose three electrons to form a $+3$ ion?

Accepted Answer

Aluminum ($Al$)

Question 17

A transition metal ion has $23$ electrons. What is the identity and charge of the ion?

Accepted Answer

Vanadium ($V^{2+}$)

Question 18

Which of the following ions is isoelectronic with argon ($Ar$)?

Accepted Answer

$Cl^{-}$

Question 19

Which element in Group 1A is least likely to form a $+2$ ion?

Accepted Answer

Lithium ($Li$)

Question 20

A main group element has $2$ valence electrons. What is its most likely ionic charge?

Accepted Answer

$+2$

Periodic Table Charges: Main Group and Transition Metals

Study Guide - Practice Questions