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The element with the atomic number of 20 is calcium. Mass number is the number of protons and neutrons in the nucleus of an atom of a particular isotope, but does not determine which element it is.

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What is the electronic configuration of an atom with atomic number 41?

The chemical element with the atomic number 41 is niobium; the electron configuration is:[Kr]4d4.5s1.


If an element has a mass number of 232 and an atomic number of 93 how many neutrons does the element have?

Niobium has atomic number 41. Therefore, 90Nb has 90-41=49 neutrons. Please see the link.


What is the chemical symbol of the element who is the mass number is 80?

A-N=Z Mass number - Number of neutrons= Atomic number mass number = 80, number of neutrons = 41; 80-41=39 Atomic number for the element with mass number 80 and 41 neutrons; is 39.


What was Formerly element atomic number 41 now called niobium?

molybdenum. a black powder as used in oil additive like sulphide.


Which element does X represent in the following expression 41 20 X?

In the expression "41 20 X," the numbers likely represent atomic numbers in the periodic table. Atomic number 41 corresponds to niobium (Nb), and atomic number 20 corresponds to calcium (Ca). Therefore, X would represent the element that comes after calcium, which is scandium (Sc) with an atomic number of 21.


What is the atomic number of niobium?

The atomic number of niobium (Nb) is 41.The atomic weight of Nb is 92.906 grams per mole.See the Web Links to the left of this answer for a periodic table with more information about this element!


What is the mass number of calcium-41?

Calcium is a metal element. Atomic mass of it is 40.


What has the mass number of 41?

The mass number of an element is the total number of protons and neutrons in its nucleus. Given that the atomic number (number of protons) uniquely identifies an element, knowing just the mass number of 41 is insufficient to determine the specific element without additional information.


What element has an atomic number between 37 and 41?

37 - rubidium 38 - strontium 39 - yttrium 40 - zirconium 41 - niobium


What is the term for the value that indicates the number of protons for an atom of a given element?

The atomic number is the number of protons in an atom of an element.


What does the atomic number of an element tell you about the element?

Atomic number = Number of protons


What is the element argon atomic number?

Argon is a gas element. atomic number of it is 18.