contestada

Use the element above to answer the following question.

How many NEUTRONS does lead have in one atom? (round your answer)

(HINT: Atomic mass - Atomic number = # of neutrons)
Question 8 options:


41


125


82

Use the element above to answer the following question How many NEUTRONS does lead have in one atom round your answer HINT Atomic mass Atomic number of neutrons class=

Respuesta :

Answer:125

Explanation:

Protons + neutrons = mass number

Protons = 82

Mass number = 207

Number of neutrons = 207-82=125