Antimony

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/antimony

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 element symbol?Sb
2. What is the atomic number?51
3. What is antimony and why does it look shiny?Antimony is a chemical element with the symbol Sb and the number 51 on the periodic table. In its pure form it is a silvery‑white solid that looks shiny.
4. How did people use antimony in the past?Ancient Egyptians and Mesopotamians powdered the mineral stibnite to make kohl, an eye makeup that helped protect against sun glare and may have stopped eye infections.

Metalloid: An element exhibiting properties intermediate between those of metals and nonmetals.
Alloy: A metallic substance composed of two or more elements, typically metals.
Carbothermic Reduction: A chemical process using carbon to remove oxygen from metal oxides.
Semiconductor: A material with electrical conductivity between that of a conductor and an insulator.