1. How can you predict which element an atom is based on the particles in its nucleus?

the total numbers of protons in the nucleus is the atomic number so then go to the periodic table and find that number which in return gives you the element

Explanation:

the correct option is c.

isotopes refers to different forms of the same element with the same atomic number but different mass number as a result of difference in their neutron numbers. isotopes have different relative atomic mass but share the same chemical properties.

56 moles of   lieter in chemistry