9
Fluoride itself is not an element. It is the ion formed by the element fluorine. The atomic number of fluorine is 9.
Atomic number 9 corresponds to the element fluorine. Fluorine is a highly reactive, pale yellow gas that has a strong odor. It is commonly found in compounds such as fluoride toothpaste and in various industrial processes.
The atomic number is the number of protons in an atom of an element.
Atomic number = Number of protons
The atomic number of the element with the symbol Be (Beryllium) is 4.
Argon is a gas element. atomic number of it is 18.
You think probable to sodium fluoride , NaF.
Atomic number is the number of protons in the atomic nuclei of the atoms of an element.
The element with the highest atomic number is Oganesson, with the atomic number 118.
The atomic number of an Element refers to it's position in The Periodic Table. The first element (Hydrogen - H) has the atomic number 1. The second element (Helium - He) has the atomic number 2. The fifty-second element (Tellurium - Te) has the atomic number 52. And so on.
34
An element's atomic number is the # of protons in its nucleus.