Which of the following elements is usually nonreactive because of its full outer electron shell?

Asked By: Ferne Rokhmanov | Last Updated: 13th May, 2020
Category: science chemistry
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Noble gases

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Hereof, what is the name of the family of elements that has a full outer shell of electrons?

The noble gases are a group of elements in the periodic table. They are located to the far right of the periodic table and make up the eighteenth column. Elements in the noble gas family have atoms with a full outer shell of electrons. They are also called the inert gases.

Subsequently, question is, which elements have a full outer shell? The noble gases helium (He), neon (Ne), argon(Ar), krypton (Kr), xenon (Xe) all have complete "outer shells".

Additionally, which atom is not very reactive since its outer shell of electrons is full?

So much so, that it forms compounds with virtually no other elements. Just like neon (Ne) and helium (He), argon (Ar) usually floats around all by itself. It is non-reactive because the shells are full. Argon has three electron shells.

Which of the following elements are unreactive because their outer electron energy levels are full?

Chemical Properties of Noble Gases Noble gases are the least reactive of all known elements. That's because with eight valence electrons, their outer energy levels are full. The only exception is helium, which has just two electrons.

39 Related Question Answers Found

How do you find the electrons?

The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).

What are the elements in Group 1 called?

The Group 1 elements in the periodic table are known as the alkali metals. They include lithium, sodium and potassium, which all react vigorously with water to produce an alkaline solution.

What are valence electrons and why are they important?

Valence electrons are the electrons that reside in the outermost electron shell of an atom in the highest energy level. They are important to an atom because the fewer valence electrons that the atom holds, the less stable it becomes.

How do electron shells work?

Each shell can contain only a fixed number of electrons: The first shell can hold up to two electrons, the second shell can hold up to eight (2 + 6) electrons, the third shell can hold up to 18 (2 + 6 + 10) and so on. The general formula is that the nth shell can in principle hold up to 2(n2) electrons.

What are the names and symbols of all the elements with full outer shells?


The group (family) with elements cotaining full outer shells are the right-most group on the table: the noble gases: helium, neon, argon, krypton, xenon, and radon (element 118, oganesson, also belongs in this group, but most all of its chemical and physical properties are as of yet unknown.

What elements are in the noble gas family?

All of the elements in Group Zero are noble gases. The list includes helium, neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn).

Are noble gases flammable?

The main properties of the noble gases include: they have low densities. they are inert, so they are not flammable.

What elements have 4 electrons in their outer shell?

Carbon (C), as a group 14 element, has four electrons in its outer shell. Carbon typically shares electrons to achieve a complete valence shell, forming bonds with multiple other atoms.

How many valence electrons are in Ar +?


eight valence electrons

How do you fill orbitals?

RULES FOR FILLING ORBITALS. Rule 1 - Lowest energy orbitals fill first. Thus, the filling pattern is 1s, 2s, 2p, 3s, 3p, 4s, 3d, etc. Since the orbitals within a subshell are degenerate (of equal energy), the entire subshell of a particular orbital type is filled before moving to the next subshell of higher energy.

What do we know if an element has a filled outer valence shell?

The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms. This outermost shell is known as the valence shell, and the electrons found in it are called valence electrons.

Why are there only 2 electrons in the first shell?


This first shell has only one subshell (labeled 1s) and can hold a maximum of 2 electrons. This is why there are two elements in the first row of the periodic table (H & He). Because the first shell can only hold a maximum of 2 electrons, the third electron must go into the second shell.

What is a Bohr diagram?

A Bohr diagram is a simplified visual representation of an atom that was developed by Danish physicist Niels Bohr in 1913. The diagram depicts the atom as a positively charged nucleus surrounded by electrons that travel in circular orbits about the nucleus in discrete energy levels.

Why are there only 8 electrons in the outer shell?

The eight- electrons stability of an atom is stemmed from the stability of the noble gases or the elder name inert gases, which had long been known as unreactive or noble. However, this rule is justified for elements of second row in the periodic table, which their outermost- shell capacity is 8 electrons.