Question detail
Which of the following is NOT a Group 1 element?
Try the question, check the answer, then read the explanation to understand the curriculum point.
At a glance
MCQ
Type
practice
Style
Topic
The periodic table
Question
- A. Lithium
- B. Calcium
- C. Potassium
- D. Rubidium
Answer
Calcium
Explanation
Calcium is a Group 2 element (alkaline earth metal), while the others are Group 1 alkali metals.
Common mistake
Misidentifying Group 1 Elements
Students often confuse Group 1 elements with transition metals, thinking they are the same due to both being metals.
Remember that Group 1 elements are specifically alkali metals, which have one electron in their outer shell, while transition metals are found in the center of the periodic table and have different properties.
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