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Iodine Trivia Quiz

The element iodine.

A multiple-choice quiz by TonyTheDad. Estimated time: 3 mins.

Author
TonyTheDad

Time
3 mins

Type
Multiple Choice

Quiz #
32,442

Updated
Dec 03 21

# Qns
5

Difficulty
Average

Avg Score
3 / 5

Plays
1337

One at a Time - Single Page - Timed Game

Question 1 of 5

1. What does 'iodine' mean? Hint

irritating

violet

pretty

sea

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Question 2 of 5

2. Of its 30 known isotopes, how many are stable? Hint

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Question 3 of 5

3. In the presence of starches, what color does iodine turn? Hint

green

red

orange

blue

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Question 4 of 5

4. When was iodine discovered? Hint

1610

1888

1811

1777

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Question 5 of 5

5. With what group is iodine associated? Hint

Halogens

Transition Metals

Alkali Metals

Noble Gases

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Quiz Answer Key and Fun Facts

1. What does 'iodine' mean?

Answer: violet

From the Greek 'iodes', violet.

2. Of its 30 known isotopes, how many are stable?

Answer: 1

Only I-127 is stable and found in nature. The artificial radioisotope I-131, with a half-life of 8 days, has been used in treating the thyroid gland.

3. In the presence of starches, what color does iodine turn?

Answer: blue

Put some iodine on a cut potato.

4. When was iodine discovered?

Answer: 1811

By Courtois.

5. With what group is iodine associated?

Answer: Halogens

Iodine exhibits some metallic-like properties, but is in the halogen group. It is less active than the other halogens, which displace it from iodides.

Source: Author TonyTheDad

This quiz was reviewed by FunTrivia editor CellarDoor before going online.
Any errors found in FunTrivia content are routinely corrected through our feedback system.

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Referenced Topics

Science Colors Chemistry Specific Elements Blue Greek Language Greeks: Famous & Historical

Other Destinations

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