What are consonants?

Consonants, phụ âm, are produced by obstructing the flow of air through the vocal tract in some manner. The place of articulation of sounds indicates where the obstruction takes place and the organs involved.

How many initial consonants are there in Vietnamese?

There are 23 initial consonants in Vietnamese.
The Vietnamese consonants are represented in the following chart based on te place and manner of their production (articulation)

Source: Element Vietnamese, p.18-19 , Binh Nhu Ngo,

If reading this is too complicated, please watch the video with Mr. Phi. He will show you the easier way to say these sounds

https://youtube.com/watch?v=q6zF0EY33JU%3Flist%3DPLikCOBk0vFST0SMmrM-y7p_VcxAF59SBS