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Which elements has 3 electrons in its outermost shell?
Elements having electrons in their third valence shell can be found in the third row of the periodic table (elements 11-18).
How can an atom that has seven valence electrons complete its outermost level?
Look at the first element on the periodic table. The first energy level holds only two electrons, so Helium has filled its outer energy level. Atoms with an outer energy level that is not fill will fill it up by bonding with other atoms and sharing electrons.
What is the maximum number of electrons in the main energy level four?
32 electrons
What is the number of electrons in the 1st energy level of magnesium?
All elements except hydrogen have two electrons in the first energy level.
What is the electron configuration of an element?
The electron configuration of an element shows the number of electrons in their energy levels and orbitals. For example, the electron configuration of a neutral magnesium atom, Mg, with 12 electrons, is 1s22s22p63s2. This means that there are two electrons in the s orbital of the first energy level, two electrons in the s orbital and six electrons in the p orbital of the second energy level, and two electrons in the s orbital of the third energy level. The number in front of each letter represents the energy level, the letter represents the orbital, and the superscripts represent the number of electrons in the orbital.
How many electrons are required to complete the outer energy level of phosphorous atom?
Phosphorous has 5 valence electrons. So, you need 3 more to complete it.
How many electrons in outermost energy level of phosphorous?
5 electrons
What are the number of valence electrons in phosphorus?
there are five valence electrons in an atom of phosphorus
The energy required to remove electrons from an atom is called?
The energy required to remove electrons from an atom is called ionization energy. It is the minimum energy needed to remove an electron from a neutral atom in the gaseous phase.
How many electrons are required to completely fill the third energy level?
no. of electrons to fill an energy level = 2n2. = 2x32 = 18
Which group has a complete set of valence electrons in their outermost energy level?
Noble gases have a complete set of valence electrons in their outermost energy level, which is why they are known to be stable and unreactive.
How many additional electrons are required to give nitrogen the required number of electrons in its outermost energy level?
Nitrogen has five electrons in its outermost energy level (the second shell), which can hold a maximum of eight electrons. To achieve a stable octet configuration, nitrogen requires three additional electrons. Thus, three additional electrons are needed to fill its outermost energy level.
What energy required to remove two valency electrons of a metallic atom?
This is the second ionization energy.
How many electrons are required to stabilize the first energy level?
2
If the first energy level is complete with two electrons then what has two elements?
If the first energy level is complete with two electrons, then the elements hydrogen and helium have two elements in their electron configuration. Hydrogen has one electron in its first energy level, while helium has two electrons filling its first energy level.
How can the number of electrons in the outer main energy level of phosphorous be determined using the successive ionization energies?
As each electron is removed, the successive ionization energy values increase. However, the ionization energy increases a lot when the sixth electron is removed. This suggests that the sixth electron is removed from a shell which is closer to the nucleus.
What do you call the energy which is required to bond atoms together?
Covalent [the sharing of a pair of electrons] bond energy.
