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name the group of elements that have only one electron in their outermost energy level

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16y ago

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What is the outer electron configuration for all group 1 elements?

The outer electron configuration for all group 1 elements is ns1, where n represents the energy level of the outermost electron. This means that group 1 elements have one electron in their outermost shell.


How many electrons are in the outer energy level of group 7 a elements?

To start off, the electrons on the outermost energy level of an atom are called valence electrons. You can tell how many valence electrons an energy level has by finding out its group number. If an element is in group one, than it has one valence electron.


If enough energy was added to remove an electron for calcium which energy level would the electron be removed?

The electron would be removed from the outermost energy level, which is the fourth energy level, for calcium.


What are the electron on the outermost energy level?

These are called valence electrons.


How many valence electrons are in the sodium family?

Elements in the sodium family (Group 1A or Group 1) have 1 valence electron. This is because they have one electron in their outermost energy level.


How many electrons are in a chloride ion's outermost energy level?

The chloride ion (Cl-) has 8 electrons on the outermost energy level.


How many electrons does Fluorine have in it's outermost energy level?

Fluorine has 7 electrons in its outermost energy level. Its electron configuration is 2-7, with 7 electrons in the outermost energy level, making it highly reactive.


How many electrons are in the outermost level of carbon how many electron does it need to have fill this energy level?

Carbon has four electrons in the outermost energy level, which is energy level two. It needs eight electrons to have this energy level filled.


What is an electron in the outermost energy level of an atom?

An electron in the outermost energy level of an atom is called a valence electron.(We refer here to the outermost occupied levels of an atom. There are, of course, many other higher energy levels normally available that are not occupied.)These electrons determine the chemical reactivity of the atom.the valence electrons


What element has its outermost electron is 7s1?

The element with its outermost electron in the 7s1 orbital is francium (element 87). Its outermost electron is in the 7th energy level (n=7), specifically in the 7s subshell.


Sodium has how many electrons in its outermost principal energy level?

Sodium has one electron in its outermost principal energy level, also known as the valence shell.


What is potassium's number of valance electrons?

Potassium has one valence electron. It belongs to Group 1 of the periodic table, which means it has one electron in its outermost energy level.