1-An atomic cation with a charge of +2 has the following electron configuration: [He] 2s22p4 What is the chemical symbol for the ion? How many electrons does the ion have? How many 2s electrons are in the ion?
1-An atomic cation with a charge of +2 has the following electron configuration: [He] 2s22p4 What is the chemical symbol for the ion? How many electrons does the ion have? How many 2s electrons are in the ion?
Chapter1: Lewis Structures
Section: Chapter Questions
Problem 1EQ: 1. Hydrogen is a Group I element and each hydrogen will contribute I valence electron....
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1-An atomic cation with a charge of +2 has the following electron configuration: [He] 2s22p4
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2-
Ammonium perchlorate (NH4ClO4) is powerful solid rocket fuel, used in the Space Shuttle boosters. It decomposes into nitrogen (N2) gas, chlorine (Cl2) gas, oxygen (O2) gas, and water vapor, releasing a great deal of energy. Calculate the moles of chlorine produced by the reaction of 0.90mol of ammonium perchlorate. Be sure your answer has a unit symbol, if necessary, and round it to the correct number of significant digits.
_____________
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3-How many protons and neutrons are in an atom of Th-229 ?
Number of protons= ________
Number of neutrons= _______
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The chemical formula for beryllium sulfide is BeS.
A chemist determined by measurements that 0.055 moles of beryllium sulfide participate in a
Be sure your answer has the correct number of significant digits.
_______g
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List all possible values of the magnetic quantum number ml for a 4d electron.
ml = __________ |
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