# How do I figure out the number of shells in noble gas items?

• LoveKnowledge
In summary, the number of shells in a noble gas can be determined by its electron configuration, which follows the pattern of 2, 8, 18, 32, etc. Noble gases have more shells compared to other elements because they are located in the last column of the periodic table. The number of shells in a noble gas cannot change, as it is a fundamental characteristic of the element. This full outer shell also makes noble gases stable and unreactive, as they do not need to gain or lose electrons to achieve stability.
LoveKnowledge
I am confused? Do I look at somewhere on the periodic table? For example for the noble gas items argon, radon, helium, and neon?

I hope that I posted this in the right section as well..

If you look at the periodic table, then the number of completed shells corresponds to the order as you go down the list. Helium - 1, Neon - 2, Argon - 3, etc.

See http://en.wikipedia.org/wiki/Electron_configuration" . The first illustration shows what you are interested in. Note the specific elements you want are along the right edge.

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To figure out the number of shells in noble gas items, you can look at the atomic structure of the elements on the periodic table. Noble gases have a full outer shell of electrons, which makes them stable and unreactive. This means that they have the maximum number of electrons in their outermost energy level or shell. For example, argon has 8 electrons in its outermost shell, so it has 8 shells in total. Helium has 2 electrons in its outermost shell, so it has 2 shells in total. Radon and neon also have 8 electrons in their outermost shells, so they also have 8 shells in total. Therefore, for noble gases, the number of shells is equal to the number of electrons in their outermost shell. I hope this helps to clear up any confusion.

## 1. How do I determine the number of shells in a noble gas?

The number of shells in a noble gas can be determined by looking at its electron configuration. Each shell can hold a certain number of electrons, and the number of shells needed to hold all of the noble gas's electrons is the same as the number of shells in the noble gas.

## 2. What is the electron configuration of noble gases?

The electron configuration of noble gases follows the pattern of 2, 8, 18, 32, etc. This means that the first shell can hold 2 electrons, the second shell can hold 8 electrons, the third shell can hold 18 electrons, and so on.

## 3. How many shells does a noble gas have compared to other elements?

Noble gases have more shells compared to other elements because they are located in the last column of the periodic table. This means they have a full outer shell and can hold more electrons in lower shells.

## 4. Can the number of shells in a noble gas change?

No, the number of shells in a noble gas cannot change. This is because the number of shells is determined by the number of electrons in the noble gas and that is a fundamental characteristic of the element.

## 5. How does the number of shells in a noble gas affect its reactivity?

The number of shells in a noble gas directly affects its reactivity. Noble gases have a full outer shell, making them stable and unreactive. This is because they do not need to gain or lose electrons to achieve a stable electron configuration, unlike other elements.

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