1s 2,2s 2,2p 6,3s 2,3p 6,4s 2,3d 10,4p 6,5s 2,,,,,2+2+6+2+6+2+10+6+2=38
The s sublevel in the third main energy level is indicated by 3s.
The third main energy level (n=3) can contain a maximum of 18 electrons. This is because the third energy level can have 2n^2 electrons, so for n=3, this would be 2 * 3^2 = 18 electrons.
first energy level contains only S shell that can accomadate 2 electrons where as 2nd energy level contains S shell and P shell as well which can accomadate 2 and 6(3X2) electrons respectively..so the answer is 8 for 2nd energy level. (or) No.of electrons in any main energy level = 2n2 Here n = orbit (or energy level) number In our question , n = 2 No.of electrons in 2nd energy level = 2(2)2 = 8
Use the formula n2 = max. number of electrons in shell. 42 = 16. 16 electrons.
You can determine the number of electrons in the outer energy level of an atom by looking at its group number on the periodic table. For main group elements, the group number corresponds to the number of valence electrons. For example, group 1 elements have 1 valence electron, group 2 elements have 2 valence electrons, and so on.
first energy level.
32 electrons
The s sublevel in the third main energy level is indicated by 3s.
The first energy level can hold up to 2 electrons, the second energy level can hold up to 8 electrons, the third energy level can hold up to 18 electrons, and the fourth energy level can hold up to 32 electrons.
twenty
The energy level within a shell corresponds to the main energy level of an electron in an atom. Electrons in the same shell have similar energy levels, which increase with distance from the nucleus. Each shell can hold a specific number of electrons based on its energy level.
The third main energy level (n=3) can contain a maximum of 18 electrons. This is because the third energy level can have 2n^2 electrons, so for n=3, this would be 2 * 3^2 = 18 electrons.
2n^2 = 18 therefore n^2 = 9 therefore n = 3
Helium has two electrons which completely fills the first principal quantum level.
A fluorine atom has 7 electrons in its outermost unexcited main energy level. This allows fluorine to achieve a full valence shell of 8 electrons by gaining one additional electron through bonding.
Valence electrons are the electrons in the outermost energy level of an atom. They are involved in chemical bonding and determining an element's reactivity.
The principal energy level is represented by the main energy level number (n). The valence electrons are the electrons found in the outermost energy level of an atom, which corresponds to the highest principal energy level (n).