Chemistry, 08.10.2019 02:00 sillyvanna
It takes 208.4 kj of energy to remove 1 mole of electrons from the atoms on the surface of rubidium metal. if rubidium metal is irradiated with 254-nm light, what is the maximum kinetic energy the released electrons can have?
Answers: 3
Chemistry, 21.06.2019 13:00
What is the ph of a solution with a 1.50 × 10−9 m hydroxide ion concentration?
Answers: 3
Chemistry, 22.06.2019 00:00
Which of the following statements is true? a. elements in the last period are radioactive. b. atomic weight is the same as atomic mass. c. elements in the same group have the same number of electron shells. d. atomic number equals the number of neutrons in the nucleus of an atom.
Answers: 1
Chemistry, 22.06.2019 11:00
Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.
Answers: 1
It takes 208.4 kj of energy to remove 1 mole of electrons from the atoms on the surface of rubidium...
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