Question detail
Which of the following elements is classified as an alkali metal?
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. Sodium
- B. Chlorine
- C. Magnesium
- D. Iron
Answer
Sodium
Explanation
Sodium is classified as an alkali metal, which belongs to Group 1 of the periodic table.
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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