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Hydrogen (H)

Lithium (Li)

Sodium (Na)

Potassium (K)

Rubidium (Rb)

Cesium (Cs)

Francium (Fr)

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โˆ™ 13y ago
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โˆ™ 3mo ago

Francium with atomic number 87 has only one valence electron.

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Q: Which element had only one valance electron?
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Related questions

How many valence has potassium?

There is just one valance electron in the element potassium.


What is ionic bonding structure?

Ionic bond is when a non-metal takes the metals valance electrons so both atoms can be balanced. Take NaCl for example. Na has one valance electron and Cl only needs one to get eight. So Cl takes Na's one valance electron...:Cl: Na. See the empty spot for Cl, that where Na's valance electron will go.'


How many valence electrons does conductors such as copper have?

only one valance electron does a conductor such as copper have.


What is meant by valency orbit and valency electron?

A valance electron is one that is associated with an atom. The valence orbit is the one that electron travels in.


What is the process for creating an electron dot diagram?

make one dot on the right side of the element's symbol, then just go counter-clockwise, for as many valance electrons you have


What element has only one valence electron and is extremely reactive?

HYDROGEN


What is the number of valance electrons as you move right across a row or period in the periodic teale?

It depends on which group you are talking about. The number of valance electron normally increase by one as you move right across the table. when you get to the transition metals however, the valance electron will vary.


What element will have a noble gas configuration if it forms an ionic bond by accepting one electron from a sodium atom?

Every halogen has the capacity to accept one electron from a sodium atom and to thereby achieve a noble gas electron configuration of eight valance electrons. The halogens are fluorine, chlorine, bromine, iodine, and astatine.


How many atoms in the valence shell of sodium?

There is one electron in sodium's valance shell.


Is chlorine a metal or nonemetal?

Chlorine is a nonmetal. It is only one electron short of a noble gas electron configuration and is much more likely to abstract an electron from some other element than to donate one to some other element.


What statements is incorrect regarding an atom of the element scandium?

The statement that an atom of the element scandium has only one electron is incorrect.


What element in the periodic table has the smallest radius?

Hydrogen because it has only one proton and one electron