Question

The radioactive isotope U-238 has protons and neutrons.

Answer 1

92; 146

Step-by-step explanation:

Uranium has 92 protons, and 238 is the mass number of the element. The mass number is the sum of the number of neutrons and protons in an element.

Thus, 238 = 92 + neutrons

neutrons = 238 - 92

= 146

Hope this helps!

Answer 2

92 protons, 146 neutrons

Step-by-step explanation:

Uranium will always have the same amount of protons, because that is what defines the element. Uranium has 92 protons, meaning that the rest of the mass of the atom comes from neutrons. 238-92=146 neutrons. Hope this helps!