Please actually help me.
Thank you!
![Please actually help me Thank you class=](https://us-static.z-dn.net/files/d35/cc43836a827c659b50f9e7c090b3fec3.png)
Answer:
The answer is Helium.
Explanation:
Scandium's atomic number is 21.
Sulfur's atomic number is 16
Lithium's atomic number is 3
Helium's atomic number is 2.
Therefore, the answer is Helium.