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[Ar]4s2
The electron configuration of calcium is [Ar]4s2.
The electron configuration of iron, atomic number 26, is [Ar]3d64s2. The expanded electron configuration is 1s22s22p63s23p63d64s2.
The electron configuration for krypton (atomic number 36), as based on argon (atomic number 18), is [Ar] 3d10 4s2 4p6
The electron configuration of the element with the atomic number 39 (yttrium) is: [Kr]4d15s2.
The element Calcium (Ca) has 20 electrons according to its atomic number which is 20.
The electron configuration of calcium is [Ar]4s2.
The electron configuration of iron, atomic number 26, is [Ar]3d64s2. The expanded electron configuration is 1s22s22p63s23p63d64s2.
The element calcium (atomic number 20) has the electron configuration 1s2 2s2 2p6 3s2 3p6 4s2 or in noble gas form : [Ar] 4s2
it is about the atomic number. Calcium is the element.
The sum of the superscript in an electron configuration is equal to the atomic number.
The sum of the superscript in an electron configuration is equal to the atomic number.
The electron configuration for krypton (atomic number 36), as based on argon (atomic number 18), is [Ar] 3d10 4s2 4p6
the elctron configuration increases
The element Calcium (Ca) has 20 electrons according to its atomic number which is 20.
The electron configuration of the element with the atomic number 39 (yttrium) is: [Kr]4d15s2.
Gallium does. Atomic # 31
Vanadium ( V) has that configuration. Its atomic number is 23.