Question
Which of the following lists contain an alkali metal, a halogen and a metalloid
(semi-metal) in that order?
Fe, Ar, Br
Na, Cl, Ne
K, F, Si
Ве, I, Ga

Image Transcription

Which of the following lists contain an alkali metal, a halogen and a metalloid (semi-metal) in that order? Fe, Ar, Br Na, Cl, Ne K, F, Si Ве, I, Ga

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