Question

An atom has 16 protons and 17 neutrons. What is the chemical symbol for the atom? Consult the periodic table.

Answer 1

the answer is sulfer 

Answer 2

The 16 protons means that the element is sulfur and you add 16 and 17 to get the mass number of 33 the symbol would be:

S with a 33 as a superscript on the left of the S