Answer:
7.941
Explanation:
You can look at a picture of the periodic table.To calculate the atomic mass of a single atom of an element, add up the mass of protons and neutrons. Example: Find the atomic mass of an isotope of carbon that has 7 neutrons. You can see from the periodic table that carbon has an atomic number of 6, which is its number of protons.
Hope I helped
Answer:
The answer is aluminum foil.
Iodine would have chemical properties most like Fluorine, Chlorine and other elements in group 7
Definitely Calcium Chloride.
All the others are covalent.
