Name an alkali-metal element.
Use group 1 of the periodic table, excluding hydrogen.
The six alkali metals are the group 1 metals; hydrogen sits in group 1 but is not an alkali metal.
Reveal all 6 checked answers and scores
Points are editorial tiers. The source supports membership in the set, not how many people know an answer.
- Sodium 25 · Familiar
- Sodium is in the 6-answer set defined by this question.
- Potassium 25 · Familiar
- Potassium is in the 6-answer set defined by this question.
- Lithium 50 · Less common
- Lithium is in the 6-answer set defined by this question.
- Rubidium 75 · Uncommon
- Rubidium is in the 6-answer set defined by this question.
- Cesium 100 · Rare
- Cesium is in the 6-answer set defined by this question.
Also accepted: Caesium
- Francium 100 · Rare
- Francium is in the 6-answer set defined by this question.
Checked exclusions
- Hydrogen: Hydrogen is in group 1 but is not an alkali metal.
- Calcium: Calcium is an alkaline-earth metal, not an alkali metal.
Sources for this question
- ELEMENTS
Group 1 metals, with hydrogen excluded; six entries.
pubchem.ncbi.nlm.nih.gov · Checked 2026-11-02
- Alkali metal - Wikipedia
Group 1 metals, with hydrogen excluded; six entries.
en.wikipedia.org · Checked 2026-11-02
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