In: 1s2 2s2 2p1 3s1 there are (2+2+1+1) = 6 electrons , so if it is a neutral (non ionic) element then it should be Carbon, which is in ground state 1s2 2s2 2p2 (3s0).
An element can show an excited state when it casts off extra energy. This process can occur when a collision occurs between an atom and a particle or if it absorbs a proton.
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Magnesium (Mg) with two valence electrons
Emitted, and the precise amount of energy that is emitted will depend on what kind of atom, and moving from which excited state. That's how spectrographs can determine what element is present.
This electron is in an excited unstable state.
An element can show an excited state when it casts off extra energy. This process can occur when a collision occurs between an atom and a particle or if it absorbs a proton.
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Electrons can be excited in an element by supplying energy to the molecule of the elements. Further eletrons get excited in chemical reactions
Magnesium (Mg) with two valence electrons
Emitted, and the precise amount of energy that is emitted will depend on what kind of atom, and moving from which excited state. That's how spectrographs can determine what element is present.
It is the electron configuration of a neutral, not excited atom.
No. The atom in this case i not ionised.
Why triplet excited state is found to be more stable than singlet excited state?
This electron is in an excited unstable state.
Yes, because an atom in an excited state will normally give off energy and go to a less-excited state or to its ground state. Some atoms have long-lived excited states and are called "metastable".
state in which electrons have absorbed energy and "jumped" to a higher energy level
When the electrons are at higher energy level,they are said to be excited state.