Answer:
Atomic no. 17 = chlorine; which is a halogen. Atomic no. 19 = Potassium; which is an alkali metal.
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Answer:
Atomic no. 17 = chlorine; which is a halogen. Atomic no. 19 = Potassium; which is an alkali metal.
hope it's helpful
❤️sam, ❤️
Answer:
Atomic no. 17 = chlorine; which is a halogen. Atomic no. 19 = Potassium; which is an alkali metal.