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10. Name the element which has the following numbers of particles: a. 26 electrons, 29 neutrons, 26 protons L ro n b. 53 protons, 74 neutrons Te ay n@ 2 electrons (neutral atoms) K @. Liv wm 20 protons Ca ¢ jum 86 electrons, 125 neutrons, 82 protons bi Lada f. Oneutrons 9° o 2 9 11. If you know ONLY the following information can you ALWAYS determine what the element is? (Yes/No) a. Number of protons ¥ 2s b. Number of neutrons NO c. Number of electrons in a neutral atom » £ S d. Number of electrons No 12. Fillin the missing items in the table below. : — Ski2 nic, # # OTOP, NAME SYMBOL fn mass # PROTONS ELECTRONS | NEUTRONS fi . N *Sediaw | " | W123 | i \\ 1a { “Chlorie| Cl 7 [asl ie | = tis |\ | la1| * |5% [74 | V com | Ag [44 [104/47 | 44 | ol Kept [Ke | * |g5 | 3 | 36 14% | /\ Tungsten! | 441194 | #4 | 44 | Ho | \ Cooper [Cu * [4] at | ar | aS | \ * Podium! In +9 NS ° 44 _bbo | \ Veal Aw z1 \A4+ 79 78 NS | i™Sulfer | S | * (|%a| Ie 2 | lw F 
