The sum of the protons and neutrons in an atom is its
a. charge.
b. atomic energy....
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Chemistry, 22.06.2019 04:30
Use the periodic table to determine the electron configuration of dysprosium (dy) and americium (am) in noble-gas notation.
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Which element is the least metallic between cadmium, silver, zinc, or iron?
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Chemistry, 22.06.2019 10:30
Acompound has a molar mass of 92.02 grams/mole, and its percent composition is 30.4% nitrogen (n) and 69.6% oxygen (o). what is its molecular formula? a. n2o4 b. no2 c. n2o d. n4o2
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Chemistry, 22.06.2019 12:30
When a scientific theory has been tested and proved by the scientific community, it becomes a law
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