객관식
The periodic table is arranged by increasing which of the following properties?
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2. Atoms & Elements
Periodic Table: Charges
객관식
How many electrons would the cadmium ion possess?
A
50
B
48
C
46
D
52
E
30
검증된 단계별 안내1
Identify the atomic number of cadmium (Cd), which is 48. This number represents the number of protons in a neutral cadmium atom.
Understand that in a neutral atom, the number of electrons is equal to the number of protons. Therefore, a neutral cadmium atom has 48 electrons.
Recognize that the problem is asking about the cadmium ion, which implies that cadmium has lost or gained electrons to form an ion.
Determine the common oxidation state of cadmium. Cadmium typically forms a +2 ion, meaning it loses 2 electrons.
Calculate the number of electrons in the cadmium ion by subtracting the 2 lost electrons from the original 48 electrons: 48 - 2 = 46 electrons.
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