U8.2 – Atomic Structure Basics

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Atomic Structure Basics

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Where in the atom is the majority of the mass located?

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What does the atomic number of an element represent?

 

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How many electrons are in an atom of Helium?

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How many protons are in an atom of Chromium?

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How many neutrons are in an atom of bromine-79?

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How many electrons are in an ion of Al2+?

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How many protons are in an ion of N3-?

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State the charge on O2- in Coulombs.

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State the charge on Cr3+ in Coulombs.

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State the charge on an atom of Li in Coulombs.

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What is the atomic number of Manganese?

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What is the mass of europium-153 in kilograms? me = 9.11x10−31 kg, mp = 1.67x10−27kg

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What is the mass of Sulfur-322- in kilograms? me = 9.11x10−31 kg, mp = 1.67x10−27kg

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What is the the charge to mass ratio of an electron? me = 9.11x10−31 kg, mp = 1.67x10−27kg, e = -1.67x10-19 C

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What is the the charge to mass ratio of a proton?

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What is the the charge to mass ratio of a neutron?

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