Valency and Valence Electrons
Chemistry ⇒ Atomic Structure and the Periodic Table
Valency and Valence Electrons starts at 8 and continues till grade 12.
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An atom has 6 valence electrons. What is its valency?
An atom of phosphorus has 5 valence electrons. What is its valency?
An atom of sulfur has the electronic configuration 2,8,6. What is its valency?
Describe how the octet rule relates to valency.
Describe how to determine the valency of an element from its electronic configuration.
Describe the relationship between group number and valence electrons for main group elements.
Explain why elements in Group 17 are highly reactive.
Explain why helium is stable with only 2 valence electrons.
Explain why noble gases are generally unreactive.
Explain why sodium forms Na+ ions.
How many valence electrons does an atom of oxygen have?
If an atom has 7 valence electrons, what is its likely valency?
If an atom has the electronic configuration 2,8,1, what is its valency?
If an atom has the electronic configuration 2,8,8,1, what is its valency?
State the valency of nitrogen.
What is meant by the term 'valence electrons'?
What is the valency of chlorine?
