What is meant by atomic number?
A. number that represents the number of electrons in the valence shell of an atom
B. number that represents how many neutrons are in an atom’s nucleus
C. number that represents how many protons are in an atom’s nucleus
D. number that represents the total number of particles in an atom’s nucleus
Answers: 2
Chemistry, 22.06.2019 09:00
Achemist 16 drop copper metal from copper chloride solution. the chemist place is 0.50 g of aluminum foil in a solution containing 0.75 g of copper (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction?
Answers: 1
Chemistry, 22.06.2019 14:10
16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.
Answers: 2
Chemistry, 22.06.2019 18:00
Which three statements represent the benefits of performing experiments using computer simulations?
Answers: 3
Chemistry, 22.06.2019 20:00
What is the molarity of the solution produced when 145 g of nacl is dissolved in sufficient water to prepare 2.75 l of solution?
Answers: 1
What is meant by atomic number?
A. number that represents the number of electrons in the valence sh...
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