Answer
a) 15 protons.
b) 42 protons.
c) 13 protons.
d) 48 protons.
e) 24 protons.
f) 82 protons.
Work Step by Step
a) Phosphorus has the atomic number of 15, which represents that there are 15 protons.
b) Molybdenum has the atomic number of 42, which represents that there are 42 protons.
c) Aluminum has the atomic number of 13, which represents that there are 13 protons.
d) Cadmium has the atomic number of 48, which represents that there are 48 protons.
e) Chromium has the atomic number of 24, which represents that there are 24 protons.
f) Lead has the atomic number of 82, which represents that there are 82 protons.