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Dafna11 [192]
3 years ago
12

Someone please help

Physics
1 answer:
Vaselesa [24]3 years ago
6 0

Answer:

hi there!!

Explanation:

Nickel  149 pm

Cobalt  152 pm

Calcium  194 pm

Potassium  243 pm

So Potassium is the correct answer

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