An element with two electrons in its highest energy level is probably an alkaline earth metal. More specifically, it is likely magnesium or calcium, as these are the most common alkaline earth metals.
These elements will most likely be in the first period of the Periodic Table named the Alkali-Metals family.
an alkaline earth metal.
These are alkali metals.
Noble gas.
hydrogen!
A filled highest occupied principal energy level
The principal quantum number for the highest energy electron in carbon would be 2. It is easy to spot this, since carbon exists in row 2 of the period table. The row in which an element resides always shows the highest value of n, or the principal quantum number, that an electron can reside in.
The energy required to remove an electron~ Apex! :D
what element C or N has the highest ionization energy
krypton because it is an inert/noble gas, which means it has a complete outer shell and takes a lot of energy to remove an electron.
A filled highest occupied principal energy level
The seventh electron shell.
The principal quantum number for the highest energy electron in carbon would be 2. It is easy to spot this, since carbon exists in row 2 of the period table. The row in which an element resides always shows the highest value of n, or the principal quantum number, that an electron can reside in.
The highest energy level is called the "electronegativity".
The energy required to remove an electron~ Apex! :D
Sodium: Na(2, 8, 1 ) so there is one electron in the highest (3rd) level
Transition metals vary in the number of electrons in the highest level. Alkaline earth metals have two electrons in the highest energy level.
what element C or N has the highest ionization energy
krypton because it is an inert/noble gas, which means it has a complete outer shell and takes a lot of energy to remove an electron.
the last one
The highest occupies energy level in aluminum is the 3rd energy level. Its electron configuration is 1s22s22p63s23p1.
Argon (#18). It's a noble gas, which means it doesn't react, which means it will be really hard to get it to lose an electron.