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Chemistry, 23.02.2021 06:40 ana1810

Which pair contains elements with similar
properties?
A. Boron, Fluorine
B. Nitrogen, Beryllium
C. Potassium, Cesium
b. Gold, Neon

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You know the right answer?
Which pair contains elements with similar
properties?
A. Boron, Fluorine
B. Nitro...
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