Question: Which of the following elements is not an alkali metal? (2023)
Options:
Lithium
Sodium
Potassium
Aluminum
Correct Answer: Aluminum
Exam Year: 2023
Solution:
Aluminum (Al) is not an alkali metal; it is a post-transition metal.
Which of the following elements is not an alkali metal? (2023)
Practice Questions
Q1
Which of the following elements is not an alkali metal? (2023)
Lithium
Sodium
Potassium
Aluminum
Questions & Step-by-Step Solutions
Which of the following elements is not an alkali metal? (2023)
Step 1: Understand what alkali metals are. Alkali metals are elements found in Group 1 of the periodic table. They include lithium (Li), sodium (Na), potassium (K), rubidium (Rb), cesium (Cs), and francium (Fr).
Step 2: Identify the elements listed in the question. Look for the element that is not in Group 1.
Step 3: Check the element aluminum (Al). Aluminum is found in Group 13 of the periodic table, not Group 1.
Step 4: Conclude that since aluminum (Al) is not in Group 1, it is not an alkali metal.
No concepts available.
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