1. 3 significant figures
2. 5 significant figures
3. 3 significant figures
4. 4 significant figures
5. 5 significant figures
6. 2 significant figures
7. 4 significant figures
8. 1 significant figure
9. 4 significant figures
Answer and Explanation:
DIFFERENCE BETWEEN ELEMENT AND COMPOUND :
- An element is made up of same type of atoms whereas a compound is made up of different type of atoms.
- A compound can be separated by chemical methods but an element can not be separated by chemical methods.
- Example of element is Cu Fe C and example of compound is
etc - Elements can not be split into different substances but compound can be splited into different substances
Answer:
Table salt is considered to be a compound because it is made up of two elements (sodium and chloride,) while sodium itself is a raw element. That's why table salt is considered to be a compound, while sodium is not.
Hope this helped, have a nice day! :)