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What element has an emission line at 768 nm?
The element that emits a spectral line at 768 nm is hydrogen. The 768 nm spectral line corresponds to the transition of an electron from the 5th energy level to the 2nd energy level in a hydrogen atom.
How many electrons are in the highest occupied energy level of the sodium?
Sodium: Na(2, 8, 1 ) so there is one electron in the highest (3rd) level
Lewis dot diagram of hydrogen?
[Kr] 4d6 5s2or1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6 4d6 5s2
Which element is most likely to donate one electron Be Cs Rn or He?
Cs (cesium) is most likely to donate one electron as it is classified as an alkali metal with a single valence electron in its outermost energy level.
How many orbitals are in second energy level?
There are two sublevels in the second principle energy level. The s sublevel has one orbital and the p sublevel has 3, for a total of 4 orbitals.
What element has one energy level?
hydrogen
The first element with an electron in the second energy level?
The first element with an electron in the second energy level is lithium. Lithium has three electrons, with two in the first energy level and one in the second energy level.
What element has atoms with only one completely filled principal energy level?
undiscovered...yet, but there are a few...go forward 50 years and see
How many electrons are in the very first energy level?
there are two electrons in the first energy level of every element except for hydrogen which only has one electron in the first energy level.
What element has only one energy level and is part of an essential liquid?
Hydrogen because it has one electron in one energy level and is needed to make water (essential liquid).
What is the maxium number of electrons an element can have on the first inner level?
The maximum number of electrons that can be found in the first energy level (or inner level) of an element is 2 electrons. This is because the first energy level only has one subshell, which can accommodate a maximum of 2 electrons.
Can an element have more than one ionization energy?
yes it can depending on the level of ionizing radiation
How is the element's period related to the number of energy levels over which its electrons are spread?
The element's period indicates the number of energy levels or electron shells that its electrons occupy. Each period corresponds to a new energy level being filled by electrons. Moving from left to right across a period, the number of energy levels increases by one as you go from one element to the next.
The total number of orbitals that can exist at the second main energy level is?
There are a total of four orbitals that can exist at the second main energy level: one s orbital and three p orbitals. The second main energy level corresponds to the n=2 energy level in an atom according to the Aufbau principle.
How many electrons are there in potassium's outer energy level after the bond has formed?
Potassium has 1 electron in its outer energy level. When it forms a bond, it typically donates this electron to another element, leaving it with a full outer energy level.
An element that has fewer than 2 electrons in its first level is?
The first shell only hold 2 electrons, so this element has 1 electron in its first level. Hydrogen
How many electrons are in the second energy level of an element?
8. level one has 2 level two has 8 level three has 18 level four has 32 level five has 50 level six has 72
