What is the name of the highest note in this example

1. What is the name of the highest note?
2. Which instrument can hit the highest note?

What is the name of the highest note?

alphabet - namely A, B, C, D, E, F and G. The pitch named "A" is the lowest frequency, and the pitch named "G" is the highest. The white keys on a piano keyboard are assigned these letters, as shown below. A typical piano has 52 white keys, so the drawing below is only a portion of the keyboard.

Which instrument can hit the highest note?

Trivia:The highest note a trumpet can produce - Musical Instrument Guide - Yamaha Corporation.