I think it is 11% I read it on a article on msn.
The third option because the elements mentioned in that selection are in the same group, they must have similar properties.
I can’t read ? This what does it say
Answer:
4 sig figs: 20.18
Explanation:
the smallest amount of digits was 4 in the expression
Answer:
1. matches with elements.
2. matches with compounds.
3. matches with atoms
4. matches with weight
5. matches with gas
6. matches with carbon dioxide
7. matches with Mendeleev (there's an element named after him)
8. matches with IUPAC
Hope that helped :)
