T1 Almere Eleme 17 1 > 3 4 с 10. la Table 1, which substance is an on? . Substance 3 More than Substance ldSobce 4 Subst

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T1 Almere Eleme 17 1 > 3 4 с 10. la Table 1, which substance is an on? . Substance 3 More than Substance ldSobce 4 Substance2 one of them 11. What is the number of protons in a Lead tom? 207 125 c26 d82 12. What is the phase change from a liquid to a solid called? Boiling b. Condensation. Sublimation d Melting Fremg 13. Use the kinetic molecular theory of gases to predict what would happen to closed sample of a gas whose temperature decreased while its volume increased The collisions of the gas particles with d. The average kinetic energy of the the walls of the container would molecules of the gas would increase decrease b. Its pressure would increase. The number of moles of the gas would decrease Its pressure would hold constant. 14. Ao atom that consists of 29 protons, 27 electrons, and 34 neutrons is an atom of a Selenium b. Cobalt c. Copper d Banu 15. Why do the noble gasses not form compounds? a They are above all that nonsense c. They have enough clectrons in their last energy level b. They dont mix with peasents d. They have a charge of zero 16. Which family of eleinents has 2 valence electrons? Halogens d Noble gases b Alkaline carth metals c. Transition metals c. Alkali metals 17. Which of these is a transition metal? barium b. uraniu c. iro d tin 18. An atom of the uranium-238 consists of how many protons, neutrons, and electrons? a 92 profons, 146 neutrons, 146 electrons c. 92 protons, 238 neutrons, 92 electrons b. 238 protons, 92 neutrons, 238 electrons d. 92 protons, 146 neutrons, 92 electrons a 2