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1s2 2s2 2p6 3s2 3p3

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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 is the neutral atom that has its first two energy levels filled has 5 electrons in its third energy level and has no other electrons?

This atom is nitrogen with an atomic number of 7. The first two energy levels (K and L) are filled with 2 and 5 electrons, respectively. The third energy level (M) has 5 electrons, giving a total of 12 electrons for the neutral nitrogen atom.


What are the energy levels of an atom occupied by?

An atom's energy levels are occupied by electrons. Electrons occupy the energy levels, or electron shells, in order of increasing energy. The lowest energy level is filled first before electrons move to higher energy levels.


What is an element with 7 valence electrons and 4 energy levels?

This element is likely chlorine (Cl), which has 7 valence electrons and 3 filled energy levels with a partially filled 4th energy level.


How many electrons in the outer energy level of phosphorus?

the energy levels are as follows: first shell 2 second shell 8 third shell 5


Which energy levels contain electrons that have the lowest energy?

Electrons located in the innermost energy levels (such as the 1s level) have the lowest energy. These energy levels are closest to the nucleus and are filled first in an atom according to the aufbau principle.


How many electrons are in the third energy level of phosphorus?

Phosphorus atoms have five valence electrons. You can know this because P is in group 15/VA. The number of valence electrons is the same as the VA group number (5), or group number 15 minus 10, which is 5.


What is the neutral atom that has its first two energy levels filled has 6 electrons in its third energy level and has no other electrons?

The neutral atom with the specified electron configuration has 10 electrons in total. This atom is neon (symbol: Ne), which has a total of 10 electrons and has its first two energy levels filled with 2 and 8 electrons, respectively, while the third energy level contains 6 electrons.


How many electrons are there in the 3rd principal energy level n 3 of a phosphorus atom?

There are 3 electrons in the 3rd principal energy level of a phosphorus atom. This is because the atomic number of phosphorus is 15, indicating that it has 15 electrons distributed in different energy levels, with 5 of those electrons occupying the 3rd energy level.


Are the highest energy levels always filled first?

No, the tendency is to fill out lower energy levels first.


What atom has its first three energy levels which are fully occupied by electrons?

Neon has the 1s2, 2s2, and 2p6 levels filled.


How are the electrons arranged in energy levels?

The innermost energy level always contains two electrons and the rest are arranged in 8s. for example the energy levels of calcium- 2,8,8,2. calcium contains 20 electrons. once the energy levels are filled upto 8 electrons then we move from onto the next energy level. hope this makes sense lol :)