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Questions and Answers
What is the electron configuration of Sodium?
What is the electron configuration of Sodium?
(2,8,1)
What are valence electrons?
What are valence electrons?
Electrons in the outermost shell
Why does the 4s subshell have lower energy than the 3d subshell?
Why does the 4s subshell have lower energy than the 3d subshell?
Due to shielding and penetration effects
How many electrons can the 4s subshell hold?
How many electrons can the 4s subshell hold?
What does the electron configuration (2,8,8,2) represent?
What does the electron configuration (2,8,8,2) represent?
What is the charge of protons?
What is the charge of protons?
What is the charge of electrons?
What is the charge of electrons?
What is the charge of neutrons?
What is the charge of neutrons?
What is the term for charged atoms that have lost or gained electrons?
What is the term for charged atoms that have lost or gained electrons?
What are positive ions called?
What are positive ions called?
What are negative ions called?
What are negative ions called?
What is the term for atoms of an element that have a different number of neutrons?
What is the term for atoms of an element that have a different number of neutrons?
What is the atomic number defined as?
What is the atomic number defined as?
What is the mass number defined as?
What is the mass number defined as?
How can we calculate the electron configuration of an atom or ion?
How can we calculate the electron configuration of an atom or ion?
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