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Two electrons in helium are placed in only one shell while three electrons in lithium occupy two shells?
It is because the two electrons in helium are placed in K-shell. The K-shell has the capacity of only two electrons. Therefore, in Lithium the third electron is placed in the L-shell. You can find the capacity of a shell to hold electrons by the formula 2n2 where n is the shell no.
Why does helium and hydrogen does not come in agroup of periodic table?
Helium has 2 valence electrons and hydrogen has 1 electron. So, they are placed in different groups.
Why is so much emphasis placed on valence electrons?
The valence electrons of an element are mainly what determine an element's properties.
The bohr model is used to illustrate the arrangement of?
Electrons were placed on different orbits around the atomic nucleus.
How many electrons can be placed in th second energy level?
In the second energy level, eight electrons are allowed at most.
How many electrons can be placed in the 1 shell?
2 electrons
How do electrons in the same atom differ?
The electrons have different energy levels.
How many e- is valence electrons?
Valence electrons are placed in the outermost shell of electrons.
What is data stored?
stored data is data that gets placed in different places on a computer but there is different types of stored data
Which electrons have the most energy in the atom?
The electrons placed near the nucleus.
What happened to soldiers who disobeyed?
the soldiers were sometimes placed in different places or squadrenets butmany of them were beaten and killed.
Where are the two valence electrons in plutonium placed?
They are placed in the seventh electron shell.
Two electrons in helium are placed in only one shell while three electrons in lithium occupy two shells?
It is because the two electrons in helium are placed in K-shell. The K-shell has the capacity of only two electrons. Therefore, in Lithium the third electron is placed in the L-shell. You can find the capacity of a shell to hold electrons by the formula 2n2 where n is the shell no.
Why does helium and hydrogen does not come in agroup of periodic table?
Helium has 2 valence electrons and hydrogen has 1 electron. So, they are placed in different groups.
What is the location on protons and neutrons and electrons?
Neutrons and protons are placed in the atomic nucleus; electrons move surrounding this nucleus in clouds of electrons.
Is 100 billion placed in the billions?
No, it is placed two places to its left.
Is 1 trillion placed in the billions?
No, it is placed three places to its left.
