Elements and Ions Quiz

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Questions and Answers

What is the cation of potassium?

K
K$^{3+}$
K$^{2+}$
K$^+$ (correct)

Which element forms a cation with a 2+ charge?

Aluminum
Magnesium (correct)
Potassium
Lithium

What is the symbol for the cation of rubidium?

Rb$^{2+}$
R
Rb$^+$ (correct)
Rb

What is the charge of the cation formed by aluminum?

<p>3+ (A)</p> Signup and view all the answers

Which of these elements forms a cation with the same charge as calcium?

<p>Barium (D)</p> Signup and view all the answers

Flashcards

Cation

A positively charged ion formed when an atom loses one or more electrons.

Cation Charge

The number of positive charges on a cation is equal to the number of electrons the atom has lost.

Group Trends in Cations

Elements in the same group (column) of the periodic table typically form cations with the same charge.

Lithium Cation

For example, Lithium (Li) loses one electron to form a Li+ cation.

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Beryllium Cation

For example, Beryllium (Be) loses two electrons to form a Be2+ cation.

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Study Notes

Elements and Ions

Quiz #1 (Tuesday, January 28, 202): This is a quiz focused on elements and their corresponding cations
Elements: A list of elements is presented in the periodic table order, including Lithium (Li), Sodium (Na), Potassium (K), Rubidium (Rb), Cesium (Cs), Beryllium (Be), Magnesium (Mg), Calcium (Ca), Strontium (Sr), Barium (Ba), and Aluminum (Al).
Cations: The corresponding cationic forms of each element are listed. For example, Lithium cation is Li⁺, Sodium cation is Na⁺, and so on. Note that some elements have multiple ion states (e.g., Magnesium has Mg²⁺) depending on the number of electrons lost or gained.

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Description

Test your knowledge on elements and their corresponding cations in this quiz. You will find a list of elements from the periodic table along with their cationic forms. Determine the cations for elements like Lithium, Sodium, and Magnesium, and explore their various ion states.