Chemistry, 22.06.2021 16:00 andybiersack154
What is the ppm concentration of Ca in a freshwater sample that contains 5.4 x 10^-6 M CaCo3.
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Compare the valence electron configuration of the nobles gas elements seen here. what statement is correct?
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A50.0g sample of liquid water at 0.0 c ends up as ice at -20.0 c. how much energy is involved in this change?
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Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear
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Chemistry, 22.06.2019 17:00
Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.
Answers: 2
What is the ppm concentration of Ca in a freshwater sample that contains 5.4 x 10^-6 M CaCo3....
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