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1) The ability to do work. a) neutron b) anion c) electron d) energy 2) A phenomenon that occurs when light shines onto a metal surface with a specific frequency causes the ejection of electrons from the metal. a) neutron b) energy level c) photoelectric effect d) proton 3) Smallest particle of an element that still has the properties of that element. a) atom b) anion c) electron d) proton 4) The center of an atom, made of protons and neutrons. a) orbit b) electron c) nucleus d) atom 5) The lowest energy state of an electron. a) Photon b) Ground state c) Quantum d) Hertz 6) A discrete quantity of energy that can either be lost or gained by an electron. a) Photon b) Energy c) Hertz d) Quantum 7) A particle of electromagnetic radiation (light) that has zero mass and carries a quantum of energy. a) Energy b) Hertz c) Quantum d) Photon 8) Negatively charged subatomic particle moving outside the nucleus of all atoms; exhibit properties of both particles and waves. a) proton b) neutron c) electron d) photon 9) The identity of a chemical element is determined by which of the following? a) The number of protons it possesses b) The number of neutrons it possesses c) The number of electrons it possesses d) The sum of the number of protons and neutrons it possesses 10) A state of an electron in which its potential energy is higher than the ground (lowest possible) state. a) Energetic b) Photon c) A state of an electron in which its potential energy is higher than the ground (lowest possible) state. d) Electromagnetic radiation 11) Waves that carry energy through matter or empty space as vibrating electric and magnetic fields. a) Force b) electromagnetic radiation c) Kinetic energy d) Orbits 12) The atomic symbol Pd stands for... a) Scandium b) Silver c) Palladium d) Potassium 13) The atomic symbol V stands for... a) Cobalt b) Nickel c) Palladium d) Vanadium

Atomic Structure 3

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