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atomic number 42 2. atomic mass 96 3. number of valence electrons 54 4. number of electrons in the n = 3 shell 1 5. number of neutrons 18
1. The atomic number is 42. 2. The atomic mass is 96. 3. The number of valence electrons is 1. 4. The number of electrons in the n = 3 shell is 18. 5. the number of neutrons is 54. [ ]
Expert answered|emdjay23|Points 257921|
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Asked 137 days ago|9/23/2022 6:11:15 PM
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Questions asked by the same visitor
Match each element to the proper category. 1. germanium (#32) actinoid series 2. magnesium (#12) 1 metalloid 3. thorium (#90) noble gas 4. iodine (#53) halogen 5. krypton (#36) 2 active metal 6. nickel (#28) transition metal
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Updated 131 days ago|9/29/2022 4:39:48 PM
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4) Iodine: Halogen.
Added 137 days ago|9/23/2022 6:42:47 PM
This answer has been confirmed as correct and helpful.
5) Krypton: Noble gas.
Added 137 days ago|9/23/2022 6:43:20 PM
This answer has been confirmed as correct and helpful.
6) Nickel : Transition metal.
Added 137 days ago|9/23/2022 6:47:09 PM
This answer has been confirmed as correct and helpful.
[Deleted]
Added 137 days ago|9/23/2022 6:47:31 PM
Deleted by MsAnyaForger [9/23/2022 6:47:38 PM]
mercury : quicksilver
Added 131 days ago|9/29/2022 4:39:48 PM
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