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Which elements have three shells?

Anonymous

∙ 12y ago

Updated: 5/22/2024

There are either two He and Ne. These are truly complete as there are no more empty orbitals in their outer shells.

If you allow argon it has 3d orbitals empty and then so do the rest of the noble gases, so there would be more than 3.

Wiki User

∙ 12y ago

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More answers

Elements in the third row of the Periodic Table, such as sodium and magnesium, have three electron shells. These elements have the electron configuration that includes the first, second, and third energy levels or shells.

AnswerBot

∙ 11mo ago

If it has three outer electrons, it's in group 3. It has 2 shells, so it's in period 2. In periodic table this corresponds to B, boron.

Wiki User

∙ 15y ago

He, Ne, Ar, Kr, Xe, Rn

Wiki User

∙ 14y ago

carbon

khadijah joseph ∙

Lvl 2

∙ 3y ago

sulfur

Wiki User

∙ 12y ago

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Q: Which elements have three shells?

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Continue Learning about Chemistry

What to all of the elements in period three have in common?

All elements in period three have three electron shells. They also have increasingly higher atomic numbers and exhibit a range of properties from nonmetals to metals as you move across the period.

Which elements have incomplete penultimate shells?

Elements with incomplete penultimate shells include transition metals (elements in groups 3-12) and inner transition metals (lanthanides and actinides). These elements have partially filled d or f orbitals in their penultimate energy level. Examples include elements like chromium, copper, and uranium.

What element has the same number of atomic shells as sodium?

Magnesium has the same number of atomic shells as sodium. Both elements have 3 atomic shells.

How many shells in period 4?

There are 18 elements in period 4 of the periodic table, corresponding to 4 shells.

Which other elements contain the same number of atomic shells as sodium written as the chemical symbols?

The elements potassium (K), rubidium (Rb), and cesium (Cs) each contain the same number of atomic shells as sodium.

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Related Questions

What are elements of a group that has the same number of shells?

The elements in a group do not have the same number of shells, however, the elements in a horizontal row do have the same number of shells.

How many electron shells does a sodium atom have?

A Sodium atom has three shells. For future reference, this can be discovered later by looking at which period an element falls in. For example, all group 1 elements have 1 shell, all group 2 elements have two shells, and so on.

What to all of the elements in period three have in common?

All elements in period three have three electron shells. They also have increasingly higher atomic numbers and exhibit a range of properties from nonmetals to metals as you move across the period.

What elements have outer shells?

protons

What Elements in the same row are filling up the same energy level as you move from left to right?

Elements in the same row, or period, of the periodic table fill up the same energy level as you move from left to right. This is because elements in the same period have the same number of electron shells.

How many how many electrons does sodium have?

A Sodium atom has three shells. For future reference, this can be discovered later by looking at which period an element falls in. For example, all group 1 elements have 1 shell, all group 2 elements have two shells, and so on.

How many electrons does a sodium electron have?

A Sodium atom has three shells. For future reference, this can be discovered later by looking at which period an element falls in. For example, all group 1 elements have 1 shell, all group 2 elements have two shells, and so on.

Do noble gases have valence shells?

Yes they have eight electrons in their valence shells. This is why they are not reactive. All elements have valence shells.

Which elements have incomplete penultimate shells?

Elements with incomplete penultimate shells include transition metals (elements in groups 3-12) and inner transition metals (lanthanides and actinides). These elements have partially filled d or f orbitals in their penultimate energy level. Examples include elements like chromium, copper, and uranium.

Does the periodic table explain the shell model or does the shell model explain the periodic table?

The shell model explains the periodic table. It describes how electrons are arranged in energy levels (shells) around the nucleus, influencing the chemical properties and behavior of elements. This organization of electrons into shells follows patterns that are reflected in the periodic table.

How many shells will transition metals use to bond with other elements?

Transition metals can use the two outermost shells/orbitals to bond with other elements.

What does it mean when two or more elements are in the same row on the periodic table?

It means that the elements have same number of shells. Period determines the number of shells of an element.

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