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One. A hydrogen atom contains only one electron, and it is a valence electron.

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Q: Hydrogen has how many valence electrons?
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Related questions

How many does hydrogen electrons in the outer shells?

Hydrogen has only one valence electrons.


How many valence electrons in Hydrogen?

1


How many valence electrons will hydrogen have after chlorine steals electrons?

The hydrogen ion H+ is without electrons.


How many electrons in hydrogen valence shell will give it a noble gas configuration?

Two electrons will fill a hydrogen's outer, or valence, shell.


How many valence electrons can hydrogen lend?

Only one valence electron.


How many valence electrons does a hydrogen atom have?

one.


How many valence electrons do atoms in period 1 have?

Hydrogen has 1 valence electron, whereas helium has 2 valence electrons.


How many valence electrons does HBr have?

Hydrogen has 1 valence electron. Bromine has 7 valence electrons. When hydrogen and bromine react, the bromine atom 'steals' the hydrogen atom's only electron. The hydrogen atom then has no electrons and the bromine atom has 8 valence electrons. The two atoms are now ions because their number of protons does not equal their number of electrons. The bromine atom is now a bromide anion and the hydrogen atom is now a hydrogen cation (a proton). The two ions remain together, ionicly bonded and together are called hydrogen bromide.


How many valence electrons does CH3CO-OH have?

Through covalent bonding, the nitrogen atom will have 8 valence electrons, the hydrogen atoms will each have 2 valence electrons, and the chlorine atom will have 8 valence electrons.


How many electrons does each hydrogen atom have in its valence shell?

Hydrogen doesn't really have a valence shell. It has one electron only.


Number of valence electrons in two hydrogen atoms?

Two. One hydrogen atom has one valence electron, so two hydrogen atoms will have two valence electrons :)


How many valence electrons are in one neutral atom of hydrogen?

1