How many coulombs of positive charge are there in 28 gm of plutonium, given its atomic mass is 244 and that each plutonium atom has 94 protons? (enter answer to three significant figures and in the exponent form: Example, 1.38e5)

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Q: 7. Use U-substitution to evaluate the following in- tegrals (a) S dz (b) ze dr (c) dz (d) SI Inzdr

A: Basic integration by U substitution.

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A: it's given that decay of 1 mole of bismuth 212: (5.98 x 10"J)

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A: Mass Number = Number of protons + Number of neutrons For Plutonium: Mass Number = 244 Number of…

Q: Can you guys answer so its easier to understand? The isotope cobalt-60 has a nuclear mass of…

A: See below

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Q: Gold-197 has an atomic number of 79 and an atomic mass number of 197.  The mass of a gold nucleus…

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Atomic Number

Elements are the building blocks of all the matter that exist in the universe. Every element is made up of atoms that have protons, electrons, and a nucleus. In order to know the difference between the elements, an atomic number is used. Every element has its own individual atomic number. The atomic number is a single most important characteristic of an atom.