Mathematics, 30.10.2020 18:50 iwantcandy2002

Sabrina was asked by a classmate why she would place hydrogen in the first column of the periodic table. Which of the following reasons could she give as a response? I. Hydrogen combines with chlorine in the same atomic ratio as sodium.

II. Hydrogen is a gas at room temperature.

III. Hydrogen forms diatomic molecules.
wich one or ones is the correct answer

Answers: 2

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