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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.
Which element has 2 energy levels with 5 electrons in my order energy level?
This element is likely phosphorus (P), which has 15 electrons in total. With 5 electrons in the second energy level, phosphorus has 2 energy levels: the first energy level with 2 electrons and the second energy level with 5 electrons.
What energy level are the valence electrons located in lithium?
2nd energy level, the electron arrangement is 2,1 at ground state
What element has 2 electrons in the second ring?
The element with 2 electrons in the second ring is helium. Helium has 2 electrons in its second energy level.
What is an element whose atoms contain 4 electrons in the second energy level?
Carbon. Carbon is in the second period, so it has electrons in its second energy level, and it is in the fourth group in the second energy level, so it has 4 electrons.
Which element is an alkaline Earth metal with 2 electrons an the second level?
The element you are referring to is beryllium (Be). Beryllium is an alkaline Earth metal that has two electrons in the second energy level.
If an atom has 7 electrons how many electrons are located in the second energy level?
An atom with seven electrons will have five electrons in the second energy level.
What element has the electronic structure 2.5?
The electronic structure 2.5 suggests that the element has 2 electrons in its first energy level and 5 electrons in its second energy level. This corresponds to the element with an atomic number of 7, which is nitrogen (N). Nitrogen is located in group 15 of the periodic table and is essential for life, being a key component of amino acids and nucleic acids.
What element has the electronic structure 2.7?
The element with electronic structure 2.7 is lithium (Li) with an atomic number of 3. It has 2 electrons in the first energy level and 1 electron in the second energy level.
What element with the electron arrangement 287?
The element with the electron arrangement 2-8-7 is fluorine, which has the atomic number 9. Fluorine has 9 electrons, arranged as 2 in the first energy level, 8 in the second energy level, and 1 in the third energy level.
Which element has the electronic configuration 2.2?
Helium (He) has the electronic configuration 2.2 since it has 2 electrons in the first energy level and 2 electrons in the second energy level.
How many electrons are in the second energy level of hydrogen?
Depends on the isotope can be 0 or 1 hydrogen is a highly unstable element that the electron Jumps betweent the two energy levels
