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Q: How many inner shell electrons do selenium atom have?
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How many electrons can the inner shell of an atom contain?

The very inner shell of an atom is the 1st shell and can only contain 2 electrons.


How many electrons are there in the inner shell of hydrogen?

there are 2 electrons in the inner shell of a hydrogen atom.


What are the electrons in the outermost shell of an atom?

Valence electrons are the electrons in the outermost shell of an atom. The ones in the inner shell are known as core electrons.


How many electrons does neutral selenium atom need to fill outermost shell?

Selenium needs two more electrons.


What are the electrons in the outermost she'll of an atom called?

Valence electrons are the electrons in the outermost shell of an atom. The ones in the inner shell are known as core electrons.


How many electrons are there in the inner shell of an sodium atom?

8


An electron in an atom's outer shell is shielded from the nucleus by what?

The negative charge of electrons in the inner shell(s) of the atom.


How many inner electrons does Br have?

A bromine atom has seven electrons in its outermost shell.


The inner shell of any atom can contain up to how many electrons?

two


How many inner shell electrons in chlorine?

There are 3 shells total in the atom of Chlorine. The first shell has 2 electrons because the first shell of any atom can only hold up to a maximum of 2 electrons. The second shell holds 8 electrons because the second shell of any atom can only hold 8 electrons maximum. The third shell holds 7 electrons in the Chlorine atom, but the third shell of any atom can hold up to 18 electrons as a maximum.


What is different between free electron and inner shell electron?

A free electron is able to move as it is in the outer shell of the atom. So free electrons can carry a charge. If an atom has free electrons it is able to conduct electricity. Inner shell electrons cannot carry a charge as they are closer to the nucleus.


What are the electrons the outermost shell of an electron called?

Valence electrons are the electrons in the outermost shell of an atom. The ones in the inner shell are known as core electrons.