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The element is Cerium. It is in Lanthanide series. Mass number is 140.12

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Why is it cerium is atomic number is 58?

We can find Cerium as a non metal element. Atomic number of it is 58.


How was cerium discovered?

Cerium was discovered in 1803 Cerium--- Ce atomic number--- 58 atomic mass--- 140.116 # of protons--=58 # of neutrons--- 82 # of electrons---58


What is the number of protons in the neucleus called?

the answer is that it is called a atomic number.


What are elements with atomic number 58 to 71called?

The lanthanide series.


How many neutrons chromium- 58 have?

Chromium-58 has 32 neutrons. This is calculated by subtracting the atomic number (24) from the mass number (58), which gives us the number of neutrons in the nucleus.


What is the number of protons in chromium-58?

Since chromium has an atomic number of 24, each atom of it contains 24 protons. The number of neutrons can be found by subtracting the atomic number from the mass number. Thus, chromium-63 has 39 electrons.


Mass number of nickel?

Nickel is a metal element. Atomic number of it is 58.


What are the elements with atomic numbers 58-71 and 90-103 called?

The elements with atomic numbers 58-71 are called lanthanides, and those with atomic numbers 90-103 are called actinides. These elements are part of the inner transition metals and have unique properties due to their electron configurations.


Which number is the atomic number?

the number of protons in an atoms nucleus is called atomic number


What is atomic number or atomic mass?

ATOMIC MASS ;The total numbers of protons and neutrons present in the nucleus of an atom is called atomic mass and it is represented by A ATOMIC NUMBER;the number of protons in the nucleus of an atom are called atomic number or proton number and it is represented by Z


What are the atomic numbers from 58 to 71 called?

The elements with atomic numbers 58 to 71 are called Lanthanides or Lanthanoids. This literally means "Like Lanthanum". They are called this because they have similar characteristics to Lanthanum.


The atomic number of an element is 25 The mass number of one of its isotopes is 58 How many neutrons are in an atom of this isotope?

One can ignore the scant contribution of electrons to atomic mass. Simply add the number of protons and neutrons to obtain 53. Please see the link.