Mass number refers to a specific isotope of beryllium. Beryllium-9 is the most abundant beryllium isotope, making up virtually 100% of the element found on the earth.
4 is the atomic number for berilium.
Berilium is a non metal element. Atomic mass of it is 209.
Berilium is a non meta element. Atomic number of it is 4.
Berilium is a non meta element. Atomic number of it is 4.
Berilium hydride
alkaline -earth metal
hydrochloric berilium sulphide
4.002 is the atomic mass of helium, element number 2 on the periodic table. It is a light, colorless, odorless gas that is the second most abundant element in the universe. Helium is commonly used in balloons and cryogenics due to its low boiling point.
The mass number of Am-241 is 241; each isotope has another mass number.
Atomic mass is the number of protons in an atom mass number is the number of protons plus neutrons in an atom the number of neutrons would equal the mass number minus the atomic number.
yes mass can be a number
the mass number of sodium is 23