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Hydrogen has only 1 electron and has only 1 energy level.

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How does hydrogen show a reaction?

If you take Hydrogen in terms of energy levels it has 1 electron orbiting its nucleus. It only needs 1 more electron in its outer shell to become "stable" Therfore it is reactive and will react with other atoms to gain 1 electron.


How many electrons does one hydrogen atom have in its outer shell?

Hydrogen has 1 electron in its outer shell, and in fact only 1 electron in total.


How many electrons fill the outer shell in hydrogen?

An energy level is the fixed amount of energy that a system described by quantum mechanics, such as a molecule, atom, electron, or nucleus, can have. There are no full energy levels in an atom of hydrogen. The first energy level of any atom can hold 2 electrons. Hydrogen only has one electron and it is in the first energy level.


How many electrons on their outer shell does hydrogen have?

Only one electron for hydrogen.


What is the atomic number of hydrogen and the number of its electrons in the outer shell?

The Atomic No. of hydrogen is '1' . Often indicated by ' Z = 1 '. It is the first and least massive element in the Periodic Table. Hydrogen's atomic structure is ;- 1 proton and 1 electron. However, Hydrogen exhibits three ISOTOPES. They are : - protium ; 1 proton , 1 electron , 0 neutrons ; Atomic mass = 1 deuterium ; 1 proton , 1 electron , 1 neutron ; Atomic mass = 2 tritium ; 1 proton , 1 electron , 2 neutrons ; Atomic mass = 3 Hydrogen's symbol is 'H'. protium isotope is the most common isotope of hydrogen and generally referred to as hydrogen . Atomic Mass is 1 proton + 0 neutrons = 1 Symbolically, [1/1]H deuterium isotope(D) is far less common isotope of hydrogen and generally referred to as 'heavy hydrogen' and makes ' heavy water'. Atomic Mass is 1 proton + 1 neutrons = 2 Symbolically [2/1]H tritium isotope (T) is very rare isotope of hydrogen and generally referred to as 'super-heavy hydrogen' and is radio - active Atomic Mass is 1 proton + 2 neutrons = 3 Symbolically as [3/1]H NB The next element in Periodic Table is Helium (He) Its atomic structure is 2 protons, 2 neutrons, and 2 electrons. Helium's symbol is 'He'. It is the most inert element of all. Atomic Mass is 2 proton + 2 neutrons = 4 Symbolically, [4/2]He Note the differences between hydrogen and helium atomic structures.


How many electrons in the outer shell does hydrogen ion have?

The hydronium ion has NO(zero) electrons in its outer structure It can be thought of as a 'single proton'. However, it usually combines/attached to another molecule, such as water making the hydronium ion ' H3O^(+) '. or an ammonia molecule making the ammonium ion ' NH4^(+) ' . This is because these two molecule have lone pairs of electrons in their outer energy shells to which the 'proton' can attach.


How many electrons does hydrogen have to fill its outer shell?

Hydrogen has one electron. Its outer shell the first energy level has just one orbital, 1s which could hold a maximum of 2 electrons, so hydrogen only partially fills the level.


How many electrons would hydrogen need to have a full outer she?

Hydrogen has one electron in its outer shell and typically needs one more electron to achieve a full outer shell, which would complete its valence shell with two electrons (like helium). Therefore, hydrogen would need one additional electron to have a full outer shell.


How many outer levels does Cesium have?

One electron in outermost energy level.


How many electrons are needed to complete outer shell of hydrogen?

Hydrogen is group 1 family, which is Alkali metals. Therefore, Hydrogen has 1 electron in its outermost shell. This means, it will perform +1 ion when they react. === ===


How many electrons for hydrogen does it take to fill its outer shell?

Hydrogen only has one electron, which fills its only electron shell (the first shell).


Why do hydrogen and chloride react?

Hydrogen and Chlorine react so that they're atoms can have a full outer shell with eight electrons. Hydrogen just has to lose an electron and Chlorine just has to gain an electron, so they react and make Hydrogen Chloride.