The valence electron configuration of Pb is [Xe] 4f14 5d10 6s2 6p2, or 2, 8, 18, 32, 18, 4 electrons per shell. It has four valence electrons in the outermost shell. Lead is placed in group 14 or p-block and Period 6 of ... More » Science Chemistry

The electron configuration of an atom refers to the manner in which its electrons are arranged in the atom's orbital shells and sublevels, or subshells. The orbital configuration of an atom's electrons is a primary facto... More » Science Chemistry Atoms & Molecules

The electron configuration of chromium is [Ar] 3d5 4s1. The symbol Ar in the electron configuration stands for argon, which has a stable electron configuration. Chromium has six valence electrons. More » Science Chemistry Atoms & Molecules
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Nitrogen has five electrons in its valence shell. The valence shell is the outer shell of an atom, and its electrons are prone to break away from the atom and become free electrons or latch on to another atom. More » Science Chemistry

The element palladium has 10 valence electrons in its outermost shell, the 4d shell. Many elements follow the octet rule, where they are considered having a full outer shell when there are eight electrons. Transition met... More » Science Chemistry

The orbital notation or electron configuration for potassium is 1s2 2s2 2p6 3s2 3p6 4s1 or 2, 8, 8 and 1 electrons per shell. The atomic number of potassium is 19, and thus it has 19 electrons and 19 protons. More » Science Chemistry Atoms & Molecules

Calculating the ionization energy of atoms is a simple process that requires basic knowledge of the electron configuration arrived at through Koopman's theory. Ionization energy is the energy an electron takes to detach ... More » Science Chemistry