Aluminum-26, Silicon-28, and Phosphorus-32 have the same number of neutrons.
Aluminum-26 has the same number of neutrons as Silicon-28 since they both have 14 neutrons. Phosphorus-32 also has the same number of neutrons as Aluminum-26 and Silicon-28 with 16 neutrons, but Chlorine-34 has a different number of neutrons.
https://brainly.com/question/41968417