Chemistry, 18.03.2021 02:00 keatonjarvis
question, if thallium (atomic number 81) has an effective nuclear charge of 3+, how many core electrons does thallium have? is it 78?
Answers: 3
Chemistry, 21.06.2019 13:30, hannahmr092402
One of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description?
Answers: 3
Chemistry, 22.06.2019 04:30, anthony4034
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
Answers: 1
Chemistry, 22.06.2019 11:50, trinityrae4657
Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
Answers: 3
question, if thallium (atomic number 81) has an effective nuclear charge of 3+, how many core electr...
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