Holmium (Ho)
Arsenic has atomic number of 33 and mass number of 67.
There are 67 protons in holmium. The atomic number of an element is the same as the number of protons.
The atomic number of an element is the number of protons in its nucleus. Zinc has an atomic number of 30, so all isotopes of zinc will have 30 protons. Therefore, the atomic number of zinc-67 is also 30.
HO is Holmium. It is a part of the Lanthanides Series. It's atomic number is 67.
The element with atomic number 67 is Holmium (Ho). Holmium is a Lanthanide in Group 6 of the Periodic Table. Holmium has 67 electrons in 6 shells with 2 electrons in the outer shell.
The element with 67 electrons is Holmium (Ho). Holmium is a Lanthanide and so, is in Period 6 of the Periodic Table. It's atomic number is 67. Holmium has 67 electrons in 6 shells with 2 electrons in the outer shell.
The atomic number is the number of protons in an atom of an element.
Atomic number = Number of protons
Holmium: The number of protons per nucleus of an atom is the same as its atomic number.
Argon is a gas element. atomic number of it is 18.
The atomic number of the element with the symbol Be (Beryllium) is 4.
Atomic number is the number of protons in the atomic nuclei of the atoms of an element.