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3 shells; 2 electrons in the first shell, 8 in the second shell and 8 in the third shell.

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14y ago

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Elements like argon and krypton are inert because all of their electron shells are?

FULL


Elements like argon and krypton are inert because of all there electron shells are?

full


Why argon and xenon do not easily combine with other elements?

Their outermost electron shells are full.


When full the innermost electron shell of argon contains how many electrons?

there are 2 completely full shells in argon. Argon= 18 electrons. 2 first shell 8 second shell (full) and 8 third shell (full)


How many electrons in the electron cloud does argon have?

Argon has 18 electrons in its electron cloud.


What element is a noble gas with 3 electron shells?

The noble gas with three electron shells is argon (Ar). It is located in group 18 of the periodic table and has a complete outer electron shell, making it chemically inert. Argon has an atomic number of 18 and is commonly used in various applications, including lighting and welding.


How many electrons shells does magnesiun have?

Magnesium has three electron shells. The electron configuration is 2,8,2


How many electron shells does bromine have?

Bromine has 4 electron shells.


How many electron shells does polonium have?

Polonium has 6 electron shells.


How many electron shells does Sodium have?

Sodium, i believe has 3 shells.


How many electron shells does a sulfur atom have?

A sulfur atom has 3 electron shells.


What element has 3 full shells?

This question is unclear. If you mean 3 full electron shells and nothing else, then it would be argon. But every element after argon has 3 full electron shells also, but they also have other shells with electrons. If you mean a full 3rd energy shell such as in having 3d10 electrons, then it would be Zn but Zn also has 4s2 electrons. So, the question is a vague one.