Halogens have six valence electrons in the outermost energy level.
Seven
The question is somewhat vague. If the question were written as an atom contains seven electrons in the outermost energy level and that outermost shell is a p-shell then the atom is a halogen. If the atom contains seven electrons in the outermost energy level and that outermost shell is a d-shell or f-shell then the atom is a metal.
No. That is characteristic of a nonmetal, specifically the halogens (group 17) on the periodic table.
No. That is characteristic of a nonmetal, specifically the halogens (group 17) on the periodic table.
There are 7 outer orbital electrons in an atom of chlorine, as it has 7 electrons in its outermost energy level.
No. That is characteristic of a nonmetal, specifically the halogens (group 17) on the periodic table.
No, hydrogen (H) has one electron in its outermost level.
They have seven electrons in their outer shell they are in group seven on the periodic table.
All halogens (fluorine, chlorine, bromine, iodine and astatine) have 7 valence electrons.
There is no Iodone atom, there is however an Iodine atom that has seven valence electrons or seven electrons in outermost shell.
An atom with seven electrons will have five electrons in the second energy level.
Halogens are all non-metals, they are all very reactive, and they are all colorful.