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Which element in the fourth period is an exception to the aufbau principle?
Wiki User
∙ 9y ago
The element in the fourth period is an exception to the Aufbau principle is Cr. Each period in the Periodic Table corresponds to a principal energy level.
Wiki User
∙ 9y ago
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Why does one electron in a potassium atom go into the fourth energy level instead of squeezing into the third energy level along with eight alredy?
The aufbau principle (text books may also call it the Madelung ordering or the Klechkowski rule) predicts the order in which orbitals are filled. The 4s orbital is filled before the 3d orbitals. Wikipedia has an article see link
What are facts about the element sodium?
Sodium is the fourth most abundant element on earth
How reactive is the element silver?
It is the fourth least reactive element, followed by Mercury, Gold and Platinum.
What fourth period representative element has the highest atomic number Ca Kr Pb Zn?
Kr fourth period means the fourth horizontal row on the periodic table....so the element on that row with the highest atomic number is Kr
What element is a liquid nonmetal halogen in the fourth period?
Bromine. :)
What is the exception to the atomic mass trend in period 4?
one of the chemical element in the fourth row.. i think... pretty sure LOL :)
What is the fourth element in the the fourth period?
The first element in the fourth period of the Periodic Table is potassium (K).
What is the fourth Hockage's element chakra in Naruto?
the fourth hokage's element specialty is lightning
What is the principle fourth root of 81?
It is: 3
What element is the first element in the fourth period?
The first element in the fourth period of the periodic table is potassium (K).
What is the fourth lightest element on the periodic table?
the lighest element is berrylium.
What is the Forty Fourth Element?
ruthenium is the 44th element. It is a transition metal.
Why does one electron in a potassium atom go into the fourth energy level instead of squeezing into the third energy level along with eight alredy?
The aufbau principle (text books may also call it the Madelung ordering or the Klechkowski rule) predicts the order in which orbitals are filled. The 4s orbital is filled before the 3d orbitals. Wikipedia has an article see link
What element have h as the fourth letter?
Lithium has a letter 'H' as the fourth letter.
What element is the fourth most abundant element in the?
Carbon (after hydrogen, helium and oxygen).
What are facts about the element sodium?
Sodium is the fourth most abundant element on earth
What is the fourth element in the theory of relativity?
the fourth elements or the fourth dimension in the relativity is time. The space are the first three dimensions.
