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SDSU CHEMISTRY PLACEMENT TEST WITH COMPLETE SOLUTIONS 100% 2023/2024 R235,33   Add to cart
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SDSU CHEMISTRY PLACEMENT TEST WITH COMPLETE SOLUTIONS 100% 2023/2024

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SDSU CHEMISTRY PLACEMENT TEST WITH COMPLETE SOLUTIONS 100% 2023/2024 SDSU CHEMISTRY PLACEMENT TEST WITH COMPLETE SOLUTIONS 100% 2023/2024

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  • December 1, 2023
  • 7
  • 2023/2024
  • Exam (elaborations)
  • Questions & answers

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  • sdsu chemistry placement test

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  • Math Placement
  • Math Placement

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SDSU CHEMISTRY PLACEMENT TEST WITH COMPLETE SOLUTIONS 100% 2023/2024 proton - correct answer -heavy
-positively charged
-nucleon
neutron - correct answer -heavy
-neutral
-nucleon
electron - correct answer -very small (1/1800 of proton)
-negative
-outside of nucleus
properties of nucleus - correct answer -# of protons determines the element
-held together by nuclear force
-# of protons is extremely stable unlike # of electrons
atomic number - correct answer equal to the # of protons
atomic mass - correct answer # of protons + # of neutrons averaged across all of the element on earth
isotopes - correct answer -when elements have different masses but the same chemical properties
-ex. silver-107 and silver-109
lewis dot - correct answer -a 2-D model that represents covalent bonds as straight lines, ionic bonds as spaces, and unbonded valence electrons as dots
-can have single, double, or triple bonds physical properties of compounds and molecules - correct answer -melting point
-boiling point
-solubility
-electrical conductivity
molecular mass - correct answer # of atoms(atomic mass)=molecular mass
type (n)one of naming inorganic compounds - correct answer -metal and nonmetal
-cation anion-ide
-ex. NaCl: Sodium Chloride
type(II) of naming inorganic compounds - correct answer -cation( ) anion-ide
-ex. CuO: Copper(II) Oxide
type tri of naming inorganic compounds - correct answer -cation prefix anion-ide
-ex. CO: Carbon Monoxide
balancing equations - correct answer -need an equal number of atoms on each side
-ex. C12H22O11 + O2 --> CO2 + H2O
C12H22O11 + 12O2 --> 12CO2 + 11H2O
stoichiometry - correct answer -measuring the chemicals that go into and come out of any given reaction
-allows us to count atoms by weighing them
AMU - correct answer atomic mass unit
mole - correct answer - 6.022 x 10^23
-a mole of any element contains 6.022 x 10^23 atoms of that element no matter what

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