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Q: What is the metal in the second period with one outer electron?
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The outer electron configuration of an alkali metal has?

1 electron in the s orbital


What is the group that has one electron in its outer level?

alkali metal


When an alkali metal reacted with a non metal what happens to the loan outer shell electron?

The electron outside the shell donate its electron to the one inside the shell


Why is chlorine in period 3?

Chlorine is in period three because that is how many outer shells it has. One period is one shell... In the First outer shell you can only hold.. 2 electrons. Second outer shell can hold 10 electrons. Third outer shell can hold 18 electron. Protons + Electrons = Atomic Number Atomic Number - Atomic Mass = Number of Neutrons in Outer Shells


What happens to the electrons in the outer shell when the alkali metals react with other elements?

the alkali metals have 1 electron in their outer most shell. in order to obtain a full outer shell they have to lose this electron. so when they react with another metal they lose this electron and the outer most shell.


How is an elements period related to its its electron confuguation?

An elements period is determined by the number of electrons it has in its outer shell.


What has 55 electrons?

The element with 55 electrons is Caesium (Cs). Caesium is an Alkali Metal in Period 6 of the Periodic Table. It has the atomic number 55. It has 55 electrons in 6 shells with 1 electron in the outer shell.


Why is a metal with three outer electrons a better conductor that a metal with one outer electron?

Because an electric current is basically electrons moving along, so if there are more slightly freer electrons there wil be a greater facility for electron movement.


Does alkali needs to gain one electron to have a completely outer shell?

I assume you are talking about the Alkali metal group which in fact would readily loose their outer electron to form a 1+ cation (have a full valence electron shell).


Which element has an atomic number of 45?

The element with atomic number 45 is Rhodium (Rh). Rhodium is a transition metal in Group 9, Period 5 of the Periodic Table. Rhodium has 45 electrons in 5 electron shells with 1 electron in the outer shell.


Is rubbidium conducts electricity?

Rubidium is silvery metal with a valence electron in its outer shell. It conducts electricity.


Which metallic element has an atomic number of 45?

The element with atomic number 45 is Rhodium (Rh). Rhodium is a transition metal in Group 9, Period 5 of the Periodic Table. Rhodium has 45 electrons in 5 electron shells with 1 electron in the outer shell.