2Na + Cl2 → 2NaCl
1. How many moles of NaCl can 3.5 moles of Na
produce?

3.5 moles

Explanation:

                                     2Na + Cl2 → 2NaCl

from reaction               2 mol            2 mol

given                           3.5 mol            mol

x = 3.5*2/2 = 3.5 mol

passing a magnet thought the

mixture , because iron gets attracted to magnet .

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.