Bismuth

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/bismuth

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the scientific classification?Element (Bi), atomic number 83; post-transition metal, pnictogen
2. What is the notable physical properties?Expands upon solidification; highest diamagnetism of any element; very low thermal conductivity
3. What does bismuth look like and why does it have rainbow colors?Bismuth is a silvery‑white metal that forms a shiny, iridescent patina when it oxidizes. The rainbow colors appear because thin layers of the patina interfere with light, creating a beautiful spectrum.
4. Why is bismuth safer than lead?Bismuth is much less toxic and lighter than lead, so it can replace lead in plumbing, electronics, and other uses without the health risks.

Post-transition metal: Metals located in the p-block of the periodic table, exhibiting properties between transition metals and metalloids.