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[Ar]4s1 what’s the element name?

User Matt Darby
by
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1 Answer

8 votes

Answer:

19

Step-by-step explanation:

Here,

[Ar] = Argon = atomic no. = 18

4s1 = 1 electron

so 18 + 1 = 19

19 = Potassium (K)

User Kaan Dedeoglu
by
3.4k points