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Sub Atomic Particles - General Chemistry - Solved Quiz, Exercises of Chemistry

This is short quiz. Answers are given in empty space. This solved quiz of chemistry includes: Sub Atomic Particles, Cylinder of Lead, Lead Atoms, Molar Mass of Lead, Density of Lead, Iron Atoms, Molar Mass of Iron, Relative Abundances of Magnesium, Atomic Mass of Magnesium

Typology: Exercises

2011/2012

Uploaded on 12/23/2012

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Download Sub Atomic Particles - General Chemistry - Solved Quiz and more Exercises Chemistry in PDF only on Docsity! 1. Give the symbol or name of each element: argon silver N aluminum silicon Cu gallium gold Na 2. Complete the table of sub-atomic particles. Symbol Protons Neutrons Electrons Tc98 82 125 78 −180 Br 3. A cylinder of lead has a radius of 3.05 cm and is measured to be 14.6 cm in length. The density of lead is 11.3 g/cm3. How many lead atoms are in the cylinder? The molar mass of lead is 207.2 g/mole. 4. How many iron atoms are present in piece of 53.86-kg steel that is 82.05% iron, by mass? The molar mass of iron is 55.845 g/mole. Docsity.com