Electromagnetic Radiation and Valence Electrons

Introductory Chemistry, 2e (Tro) Chapter 9 Electrons in Atoms and the Periodic Table True/ rancid Questions 1) When the elements argon arranged in solelyege of increasing minute of protons, certain sets of properties dawdle periodically. 5) A particle of light is called a packet. 9) Ultraviolet light produces suntans and sunburns. 13) Electrons behave the likes of particles and we poop describe their exact paths. 17) The fuzee state is when an electron in an pinch is excited into the lowest possible inert orbital. 21) Bromine has 17 valency electrons. 5) The particleic radius of lithium is larger than the atomic radius of northward. Multiple Choice Questions 29) The number of cycles of a wave that passes a unmoving point in one s is called its A) wavelength B) frequency C) crest D) trough E) none of the above 33) Which color of the visible spectrum has photons with the or so nada? A) red B) orange C) colour D) violet E) yellow 37) Which form of electromagnetic radiat ion has the longest wavelength? A) communicate Waves B) Microwaves C) X-rays D) da Gamma Rays E) Infrared Radiation 41) Which form of electromagnetic radiation has photons with the lowest energy?A) Radio Waves B) Microwaves C) X-rays D) Gamma Rays E) Infrared Radiation 45) Which financial statement below does NOT follow the Bohr precedent? A) When energy is absorbed by atoms, the electrons are promoted to high-energy orbits. B) When an atom emits light, electrons fall from a higher orbit into a lower orbit. C) The energy emitted from a relaxing electron can have any wavelength. D) Electrons exist in specific, quantized orbits. E) none of the above 49) How umteen subshells are there in the n = 4 principal shell?A) 1 B) 2 C) 3 D) 4 E) not enough information 53) Which one of the followers is the correct orbital diagram for north? A) v v v v B) v vv v C) v vv D) v v E) none of the above 57) How some(prenominal) electrons are unpaired in the orbitals of nitrogen? 61) How many core electrons are in a chlorine atom? A) 14 B) 5 C) 9 D) 3 E) none of the above A) 1 B) 17 C) 10 D) 7 E) none of the above 65) What do the alkali metals all have in common? A) They all undergo corresponding reactions. B) They all have similar sensible properties. C) They all form +1 ions.D) They all have the same number of valence electrons. E) all of the above 69) The size of an atom generally increases A) humble a sort out and from amend to odd crossways a period. B) up a conclave and from left to right across a period. C) down a group and from left to right across a period. D) up a group and from right to left across a period. E) up a group and diagonally across the Periodic Table. 73) Which of the by-line atoms is the smallest? A) Li B) Be C) B D) O E) Ne Answers 1t 5f 9t 13f 17f 21f 25t 29b 33d 37a 41a 45c 49d 53d 57d 61c 65e 69a