An element with 7 valence electrons is likely in Group 17 of the Periodic Table, such as chlorine. With 74 neutrons, it corresponds to the isotope chlorine-81.
Fluorine has 7 valence electrons, (9 altogether) and ten neutrons.
Astatine has 125 neutrons
Nitrogen14, has 7 protons, 7 electrons and 7 neutrons.
This element is likely chlorine (Cl), which has 7 valence electrons and 3 filled energy levels with a partially filled 4th energy level.
There are 7 valence electrons!🤓
Fluorine has 7 valence electrons, (9 altogether) and ten neutrons.
Astatine has 125 neutrons
Nitrogen14, has 7 protons, 7 electrons and 7 neutrons.
There are 7 valence electrons!🤓
This element is likely chlorine (Cl), which has 7 valence electrons and 3 filled energy levels with a partially filled 4th energy level.
Iodine has 7 valence electrons. It is in Group 17 of the periodic table, also known as the halogens, which have 7 valence electrons.
Chlorine has 7 electrons in the outermost shell. It is in the 17th group. It has 7 valence electrons.
2 valence electrons for calcium and 7 for chlorine.
Fluorine is a halogen. All halogens have 7 valence electrons. There are thus 7 valence electrons for Fluorine, 2 in the 2s orbital, and 5 in the 2p orbitals.
Halides have 7 valence electrons, but the halide ion, haven gained an electron has 8 valence electrons
No. Alkali metals have one valence electrons. Halogens have 7 valence electrons.
The number of electrons are different from one to another, however all of them have seven electrons in the valence shell.