Question

Let's Recall (Review)
Identify whether the following pure substances are elements or compounds.
Write your answer on a separate answer sheet.
1. Iron
2. Iron oxide
3. Copper sulfide
4. Tungsten
5. Einsteinium​

Answer 1

1. Iron - Element

2. Iron oxide - compound

3. Copper sulfide - compound

4. Tungsten - element

5. Einsteinium - Element

Answer 2

Answer:

1. element.

2. compound.

3. compound.

4. element.

5. element.

I hope my answer helps you.