Rubidium is a metal element. Mass number of it is 85.
Chromium is a metallic element. Mass number of it is 52.
Coper is a metal element. Mass number of it is 64.
The atomic number of an element is the number of protons in the nucleus of each atom of the element. Mass number is a property of a particular isotope of the element rather than of the element itself: The mass number is the sum of the numbers of protons and neutrons in the nucleus of each atom of the isotope.
Sodium is a metal element. Atomic mass number of it is 23.
The element with a mass number of 52 is Chromium (Cr). It's atomic number is 24.
Rubidium is a metal element. Mass number of it is 85.
Rubidium is a meta element. Atomic mass of it is 85.
Rubidium
Rubidium is a metal element. Atomic mass of it is 85.
Rubidium is a metal element. Atomic mass of it is 85.
Chromium is a metallic element. Mass number of it is 52.
Coper is a metal element. Mass number of it is 64.
Vanadium is a metal element. Mass number of it is 51.
Copper is a metal element. Mass number of it is 64.
Magnesium is a metal element. Mass number of it is 24.
Sodium is a metal element. Mass number of it is 23.
The element with atomic number 85 is astatine, symbol At