C1: Atmoic Structure and the Periodic Table
- Created by: lucyord
- Created on: 04-01-18 14:21
Other questions in this quiz
2. Roughly, how does the size of the atom compare to the size of its' nucleus?
- 20,000 times bigger
- 20,000 times smaller
- 200,000 times smaller
- 2,000,000 times bigger
3. What is the relative mass of an electron?
- 1.2
- 1/2000
- 1
- 1/200
4. What ratio do these react in? Be + F
- 2:2
- 1:2
- 2:1
- 1:1
5. Define a compound
- A mixture made of two or more different elements.
- A substance made of two or more of the SAME elements, chemically combined in fixed positions.
- A substance that is made up of two or more DIFFERENT elements and chemically combined in fixed positions.
- A substance made of two or more different elements that aren't chemically combined.
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