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What element behaves like an alkali metal but isn't and has 1 electron?
Hydrogen
What is the name of the element that is not really an alkali metal since it has only one electron behaves like them?
Hydrogen, of course. On some periodic tables you still see it in the alkali position and heading the halogen column to.
What has only 1 electron and behaves like an alkali?
There is no metal like you describe in your question. Hydrogen is in Group 1, but is not an alkali metal. It is a gas at standard temperature. It does rarely behave like an alkali metal, and it does have only one electron. Hydrogen is in Group 1 primarily because of its electron configuration, which is 1s1. All of the alkali metals also have one electron in their outermost s orbital.
What element has not really an alkali metal but since you have only 1 electron you behave like them?
Hydrogen
The first element in a period is always an active?
That is not true. The first element in a period may be active or inactive, depending on the specific electron configuration of the element. For example, the first element in period 1, hydrogen, is not considered an active element.
What is the element that is really not an alkali metal with 1 electron but act like one?
You think probable to hydrogen.
Which element region will most readily react to form an ionic compound with alkali metal?
This is the valence electron.
What is the alkali metal sodium?
The alkali metal, sodium, is an element.
Is lithium a metal element or nonmetal?
Lithium is an alkali metal.
What element is a metal with 2 valence electron?
All alkali earth metals have 2 valence electrons.
What alkali metal requires 4 electron shells?
Cesium (Cs) is the alkali metal that requires 4 electron shells as it has the electron configuration [Xe] 6s1.
What alkali metal has two energy levels?
Lithium is the alkali metal that has two energy levels in its electron configuration. Its electron configuration is [He] 2s¹.
