Answer:asdfcgvvvvvvvvvvvvvvvbhj
Explanation:
Since the atomic mass is an average of the masses of all isotopes of that element, you have to consider which isotope is most abundant. In this case, the atomic mass is closest to twelve, so the most abundant isotope of carbon is Carbon 12.
1 liter of O and 1 liter of NE have the same number of molecules.
Answer:
4.The elements are organized by their properties.
Explanation:
3.44x10^2
you move the decimal over to get a single digit number with change. The number of times you move the decimal is the number for the 10 power