Question 1

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

Accepted Answer

Their electron arrangements allow for the loss of different numbers of electrons from both the s and d orbitals.

Question 2

A newly discovered element is placed in Period 10, Group 3B. Predict the major charge of its ion.

Accepted Answer

$$+3$$

Question 3

What is the likely charge of the ion formed by the element with atomic number 47?

Accepted Answer

$$+1$$

Question 4

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

Accepted Answer

$$48$$

Question 5

Which of the following elements is most likely to form a $$+2$$ ion based on its position in the transition metal block?

Accepted Answer

Zinc ($$Zn)$$

Question 6

If an ion of silver ($$Ag) is $$formed, what is its most common charge?

Accepted Answer

$$+1$$

Question 7

Which transition metal is most likely to have a $$+3$$ charge as its major ion?

Accepted Answer

Scandium ($$Sc)$$

Question 8

A patient is exposed to a compound containing $$Cd^{2+}. $$How many protons and electrons does the $$Cd^{2+}$$ ion have?

Accepted Answer

48 protons, 46 electrons

Question 9

Which of the following ions would have the same number of electrons as a neutral silver atom ($$Ag$$)?

Accepted Answer

$$Pd$$

Question 10

If a transition metal ion has 46 electrons and 48 protons, what is its charge?

Accepted Answer

$$+2$$

Question 11

Which of the following best describes the electron configuration change when a $$Cd$$ atom forms a $$Cd^{2+}$$ ion?

Accepted Answer

It loses two electrons from its 5s orbital.

Question 12

Which transition metal is most likely to be used in medical imaging due to its ability to form stable $$+2$$ ions?

Accepted Answer

Cadmium ($$Cd)$$

Question 13

A sample contains $$Ag^{+}$$ ions. How many electrons does each $$Ag^{+}$$ ion have?

Accepted Answer

$$46$$

Question 14

Which of the following ions is isoelectronic with $$Cd^{2+}$$?

Accepted Answer

$$Pd$$

Question 15

If a transition metal ion has a $$+3$$ charge, which of the following is most likely its electron configuration change?

Accepted Answer

Loss of three electrons from the s and d orbitals.

Transition Metals and Their Charges: Study Notes for GOB Chemistry

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