What Isotope Has 2 Neutrons and 2 Protons?
A) ${ }_{4}^{2} \mathrm{Be}$

question 45

Multiple Choice

What isotope has 2 neutrons and 2 protons?

• A) \({ }_{4}^{2} \mathrm{Be}\)
• B) \({ }_{2}^{4} \mathrm{Be}\)
• C) \({ }_{4}^{2} \mathrm{He}\)
• D) \({ }_{2}^{4} \mathrm{He}\)

---

Definitions:

User Program

A sequence of instructions written by a user to be executed by a computer or other programmable device to perform a specific task.

Machine Operation

The process of controlling or working with a machine, ensuring it performs its intended tasks or functions according to specified parameters or instructions.

Memory

An essential component of computers and other devices, used to store data temporarily or permanently, for the system to access and process information.