Second Energy Level: 8
Third Energy Level: 14
Fourth Energy Level: 2
Symbol: Fe
Atomic Number: 26
Atomic Mass: 55.845 amu
Melting Point: 1535.0 °C (1808.15 K, 2795.0 °F)
Boiling Point: 2750.0 °C (3023.15 K, 4982.0 °F)
Number of Protons/Electrons: 26
Number of Neutrons: 30
Iron has 26 electrons. The third energy level can hold a maximum of 18 electrons. Therefore, there are 18 electrons on the third energy level of iron.
In the second energy level of an atom, there can be a maximum of 8 electrons. Magnesium has 12 electrons in total, with 2 electrons in the first energy level and 8 electrons in the second energy level.
An atom with seven electrons will have five electrons in the second energy level.
A boron atom has three electrons in its second energy level.
Maximum of 8 electrons in second energy level.
There are 2 electrons in the first energy level, 8 in the second, and 1 in the third.
In the second energy level, eight electrons are allowed at most.
A neutral isotope of iron has 26 electrons. Iron has 4 energy levels as follows: * The first level holds 2 * The second level holds 8 * The third level holds 14 * The fourth level holds 2 So iron has 2 valence electrons. The Bohr diagram is shown below:
there are eight electrons.
Maximum of 8 electrons
The second energy level contains eight valance electrons when it's full.
There are no electrons present in a helium atom in its second energy level.