What is the mass no of BA?


Atomic Mass 137.33u
Electron Configuration [Xe]6s2
Oxidation States +2
Year Discovered 1808

What is BA as an element?

Barium (Ba), chemical element, one of the alkaline-earth metals of Group 2 (IIa) of the periodic table. The element is used in metallurgy, and its compounds are used in pyrotechnics, petroleum production, and radiology.

What is element mass?

No. Lr. The atomic mass of an element is the average mass of the atoms of an element measured in atomic mass unit (amu, also known as daltons, D). The atomic mass is a weighted average of all of the isotopes of that element, in which the mass of each isotope is multiplied by the abundance of that particular isotope.

What element has a mass 32?

The elements of the periodic table sorted by atomic mass

Atomic Mass Name chemical element number
65.39 Zinc 30
69.723 Gallium 31
72.64 Germanium 32
74.9216 Arsenic 33

Is BA a metal or nonmetal?

Barium is a naturally occurring alkaline metalloid element with atomic symbol Ba, atomic number 56, and atomic weight 137 that is only found in combination with other elements, typically barite (barium sulfate) and witherite (barium carbonate), or chemicals.

Is BA a cation?

Barium(2+) is a barium cation, a divalent metal cation and a monoatomic dication. It has a role as a cofactor….4.3Related Element.

Element Name Barium
Element Symbol Ba
Atomic Number 56

How atomic mass is calculated?

For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

What is the first element?

Hydrogen is known to be the first element in the periodic table of elements. It has one proton in its nucleus and one outter electron. It is a very light gas and also flammable. Hydrogen, H, is the lightest of all gases and the most abundant element in the universe.

What is the element BA atomic and mass number?

Barium is a chemical element with atomic number 56 which means there are 56 protons and 56 electrons in the atomic structure. The chemical symbol for Barium is Ba. Mass numbers of typical isotopes of Barium are 134-138.

What elements are in BA?

Barium is a chemical element with symbol Ba and atomic number 56. Classified as an alkaline earth metal, Barium is a solid at room temperature.

What is the average mass of an element?

Average atomic mass = f 1 M 1 + f 2 M 2 +… + f n M n where f is the fraction representing the natural abundance of the isotope and M is the mass number (weight) of the isotope. The average atomic mass of an element can be found on the periodic table, typically under the elemental symbol.

What is the mean mass number of an element?

The mass number (symbol A, from the German word Atomgewicht [atomic weight]), also called atomic mass number or nucleon number, is the total number of protons and neutrons (together known as nucleons) in an atomic nucleus. It is approximately equal to the atomic (also known as isotopic) mass of the atom expressed in atomic mass units.