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An unknown element is a non-metal and has a valence electronic configuration of ns²np⁴.
(a) How many valence electrons does this element have?
(b) What is the formula of the compound this element would form with potassium.
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Answer:
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CHEM 120: Fundamentals of Chemistry
Preface: Studying Chemistry
1: Chemistry and Measurements
2: Atoms and Elements
2.1: Classifications of Matter
2.2: The Periodic Table
2.3: Atoms and Subatomic Particles
2.4: Neutrons: Isotopes and Mass Number Calculations
2.5: Locating Electrons: Orbitals and Electron Configurations
2.6: Writing Electron Configurations
2.7: Applications of Electron Configurations: Valence Electrons and Electron Dot Structures
Answer:
An unknown element is a non-metal and has a valence electronic configuration of ns²np⁴.
(a) How many valence electrons does this element have?
(b) What is the formula of the compound tAn unknown element is a non-metal and has a valence electronic configuration of ns²np⁴.
(a) How many valence electrons does this element have?
(b) What is the formula of the compound this element would form with potassium.
his element would form with potassium.