no it is not, it is a unpitched percussion for it produces and indefinite pitch.
a percussion instrument
Gong
A percussion instrument is an instrument that requires the player to hit it rather then say blow into it for example. An example of a percussion instrument would be a drum or a xylophone or the cymbals or a gong. An example of a non percussion instrument would be a trumpet or a violin or a trombone or a cello.
Gongs are percussion instruments. In Mahillon's classification system, they are idiophones ("self-sounding") since the entire instrument vibrates to create the sound.
long gong, long-o bongo, long-a conga
A person who plays the gong is typically referred to as a "gong player" or a "percussionist." The gong is a percussion instrument that produces a deep, resonant sound when struck with a mallet or drumstick. Gong players are skilled musicians who are trained in the techniques of playing the gong to produce a variety of tones and effects.
A gong is a very simple percussion instrument. You play it simply by striking it with a mallet or hammer, often one made of wood or covered with hide to prevent damaging the gong.
A gong typically has a low pitch. It is a large, metallic percussion instrument that produces a deep and resonant sound when struck.
GONG I also do the Mirror Crossword .
I think that you are asking about a Gong, also known as a Tam-Tam. I have heard that definition for the Gong, but I am not 100% sure.
An idiophone is any musical instrument which creates sound primarily by way of the instrument's vibrating, without the use of strings or membranes. Therefore, all tuned percussion instruments (primarily keyboard instruments like marimbas, xylophones, vibraphones, etc) are idiophones. Even woodblocks, maracas, and triangles are considered idiophones. Basically any percussion instrument that isn't a "drum" is an idiophone.
Yes it is a Percussion instrument.