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Electron configuration of radium:
Ra: [Rn]7s2
Ra(2+): 1s2.2s2.2p6.3s2.3p6.3d10.4s2.4p6.4d1o.4f14.5s2.5p6.5d10.6s2.6p6.

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How hydride ion and helium atom have same number of electron?

Both the hydride ion (H-) and helium atom have two electrons. The hydride ion gains an extra electron to achieve an electron configuration similar to helium (1s²), making them both have two electrons overall. Helium naturally has two electrons in its electron configuration.


What noble gas has the same electron configuration as N3?

Argon has the same electron configuration as N3. Both have 10 electrons with the electron configuration 1s2 2s2 2p6.


Why is the 2nd ionisation energy of Cr higher and not lower than of Mn?

The electron configuration of a neutral chromium atom is [Ar]3d54s1. The electron configuration for manganese is [Ar]3d54s2. The first electron removed from a chromium atom is the single 4s electron, leaving the electron configuration [Ar]3d5. The first electron removed from a magnesium atom is one of the 4s2 electrons, leaving the electron configuration [Ar]3d54s1. Removal of a second electron from a chromium atom involves the removal of one of the 3d electrons, leaving a configuration of [Ar]3d4, which is not a very stable configuration, and requires more energy to achieve. Removal of a second electron from a magnesium atom involves the removal of the second 4s electron, leaving a configuration of [Ar]3d5, which is more stable and requires less energy to achieve.


When an atom of one element combines chemically with an atom of another element both atoms usually attain the stable highest energy level configuration of a?

Both atoms usually attain the stable highest energy level configuration of a noble gas. This occurs through the sharing, gaining, or losing of electrons to achieve a full outer electron shell, which is the most stable configuration.


What is common to the electronic configuration of Li and Na?

Both lithium (Li) and sodium (Na) have one electron in their outermost energy level, giving them similar electronic configurations. They both have an electron configuration of [Ne] 3s¹, where [Ne] represents the electron configuration of the noble gas neon.

Related Questions

A sodium atom has an electron configuration of 1s22s22p63s1 If the sodium atom becomes ionized its new electron configuration will be the same as which element?

If a sodium atom loses an electron to become a Na+ ion, its electron configuration will be the same as neon (1s22s22p6). Both sodium and neon have stable electron configurations.


What particle has the same electron configuration as a potassium ion?

Argon has the same electron configuration as a potassium ion, as both species have 18 electrons with the electron configuration of [Ne]3s²3p⁶.


Which ion has the same electron configuration as an atom of He?

The ions of elements nitrogen (N3-), oxygen (O2-), and fluorine (F-) will have the same electron configuration as a sodium ion (Na+), which is the same as the electron configuration of the noble gas neon.


What does a neon atom and a sodium ion have in common?

Both a neon atom and a sodium ion have 10 electrons. Neon is a noble gas with a full valence shell, while a sodium ion has lost one electron to achieve a stable electron configuration.


How many total nodes, including both angular nodes and radial nodes, are present in the electron cloud of an atom?

The total number of nodes in the electron cloud of an atom, including both angular nodes and radial nodes, is determined by the quantum numbers of the electron. The number of nodes can vary depending on the specific electron configuration of the atom.


What is the electron dot configuration for calcium?

Calcium has two valence electrons, both of which are unpaired. •Ca•


An atom of chlorine and an atom of bromine have the same?

An atom of chlorine and an atom of bromine both have the same number of valence electrons in their outermost shell, which is 7 electrons. This makes them both part of Group 17 of the periodic table, known as the halogens. Each atom will typically gain one electron to achieve a stable electron configuration.


How is the electron configuration for both a cation and a anion differ from its neutral atom?

Let us assume that we have Sodium (Na), it has the ground state electron configuration of: [Ne]3S1. The ANION is negative, and thereby has more electrons, the Na anion(Na.) would have the following electron configuration: [Ne]3S2. The CATION(which is a positive ion) of Na(Na+) would have [Ne] as it electron configuration(as it loses an electron and becomes "equal" to Neon)


What determines whether a carbon atom's covalent bonds to other atoms are in a tetrahedral configuration or a planar configuration?

The geometry around a carbon atom is determined by the number of electron pairs, including both bonding and nonbonding pairs. If a carbon atom has four electron pairs (either four single bonds or three single bonds and one lone pair), it will form a tetrahedral configuration. In contrast, if a carbon atom has only three electron pairs (three single bonds), it will form a planar configuration.


When one atom shares an electron with another atom to fill the outermost shell it forms an?

When one atom shares an electron with another atom to fill the outermost shell, it forms a covalent bond. This type of bond occurs when both atoms share the pair of electrons to achieve a stable electron configuration.


What type of bond is formed between a carbon atom and an sulfur atom?

A covalent bond is formed between a carbon atom and a sulfur atom. Both atoms share electrons to achieve a stable electron configuration.


What noble gas has the same electron configuration as N3?

Argon has the same electron configuration as N3. Both have 10 electrons with the electron configuration 1s2 2s2 2p6.