Question

Which of the following best describes an atomic number? An element's identity is defined by its atomic number; this means it represents the number of Question 19 options: A) neutrons in its nucleus. B) protons in its nucleus. C) protons plus neutrons in its nucleus. D) electrons in the element.

Answer 1

B

Step-by-step explanation:

It's definetely not C and D, and A doesn't sound too reasonable too