First 20 Elements Quiz

See how well you know the first 20 periodic table elements in about 10 minutes. Get a clear score band from 16 free questions, with no sign-up and a mix of recall and real-world use.

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Questions: 1610 minutes

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08:30

July 22, 2026

July 22, 2026
Material has been updated

July 22, 2026
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How the Scales are Structured

example score

7/16

First 20 Elements Knowledge (F2EK)

Measures how accurately you recall and apply knowledge of the first 20 periodic-table elements, including names, symbols, order, families, and basic atomic structure.

Foundations to build

Developing knowledge

Strong command

0 – 6: Foundations to build | 7 – 12: Developing knowledge | 13 – 16: Strong command

A score of 7 places you in the Developing knowledge range, suggesting you know many core facts but still have some gaps in symbols, sequence, or periodic patterns.

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DATA-BASED USER COHORTS

Who Usually Takes This Test?

Chemistry students revising

46%OF USERS

Middle-school to college learners use it to check recall of element names, symbols, and atomic numbers before quizzes or exams.

STEM test prep learners

32%OF USERS

People preparing for standardized science exams take it to strengthen periodic-table basics and spot weak areas quickly.

Curious science hobbyists

22%OF USERS

Science fans and trivia lovers try it for a quick challenge and to see how much of the periodic table they remember.

BASED ON AGGREGATED, ANONYMIZED DATA FROM TENS OF THOUSANDS OF FREUDLY USERS.

Benchmarking

See How You Compare

Once you complete the test, your results are compared with real-world data from people in your country.
Below is a preview of how scores are typically distributed across each scale.

First 20 Elements Knowledge (F2EK)

Average

6.4

Normal range

3.9 — 8.9

min.

max.

Majority

This curve shows how scores are typically distributed.
Once you complete the test, your result will appear on the scale so you can see how you compare.

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CLEAR ANSWERS TO COMMON QUESTIONS

Frequently Asked Questions

What does this quiz measure?

It measures knowledge of the first 20 chemical elements. It includes names, symbols, atomic numbers, order on the periodic table, chemical families, and basic electron arrangements.

How many questions are included and how long does it take?

It includes 16 questions. Typical completion time is about 10 minutes.

What types of questions are used?

Items include direct recall and short application scenarios. Some questions require selecting an element based on its properties or position in the periodic table.

How are results reported?

The total score is placed into one of three result bands that summarize level of knowledge. Results are intended for self-check and study planning.

Is sign-up required and can the quiz be retaken?

No sign-up is required. It may be taken again to track learning over time.

WHAT THE TEST MEASURES

About This Assessment

First 20 Elements Quiz - Symptoms and Signs

How well do you know the first 20 elements of the periodic table? This free 16-question quiz tests element names, symbols, atomic numbers, periodic-table order, chemical families, and basic electron arrangements. Questions range from direct recall to short scenarios that ask you to apply what you know. Your total places your knowledge in one of three clear result bands. It is quick to complete, and no sign-up is required.

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