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

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