How was the weight of a gram determined?

Related questions

1. Is Oz a mass or weight?
2. How many coins equal a gram?
3. What is the weight of a table?
4. What weighs an ounce example?
5. How many pennies does it take to weigh 100 grams?
6. How do we measure weight?
7. How does Australia measure weight?
8. What weighs exactly 1 oz?
9. Is Oz volume or weight?
10. Do Australians use mph?

Tags

1. #water
2. #declared
3. #cubic
4. #metal
5. #constructed
6. #defined
7. #times
8. #centimetre
9. #amount
10. #1000th
11. #weighs
12. #decide
13. #weight
14. #which
15. #definition
16. #kilogram