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Mathematics, 09.12.2020 20:00 23jazzy

Which of the two elements below have similar properties? Chlorine (CI) and Zinc (Zn)
Sodium (Na) and Fluorine (F)
Potassium (K) and Francium (Fr)
Magnesium (Mg) and Helium (He)

Which of the two elements below have similar properties?

Chlorine (CI) and Zinc (Zn)
Sodium (Na)

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Which of the two elements below have similar properties? Chlorine (CI) and Zinc (Zn)
Sodium (...

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