Match the picture below with the substance and indicate the correct summary of t

Question

Match the picture below with the substance and indicate the correct summary of this behavior. This substance is A. Liquid oxygen - O_2(l) B. Liquid Nitrogen -N_2(l) It is C. Diamagnetic D. Paramagnetic E. Ferromagnetic In a magnetic field it is F. Strongly attracted G. Attracted H. Slightly repelled This substance is A. Liquid oxygen - O_2(l) B. Liquid Nitrogen - N_2(l) It is C. Diamagnetic D. Paramagnetic E. Ferromagnetic In a magnetic field it is F. Strongly attracted G. Attracted H. Slightly repelled

Explanation / Answer

From the resolution of the pictures, I can gather that the experiment is showing a magnet and liquid oxygen or liquid nitrogen is being poured on the ends of the magnet.

From the 1st picture, the liquid seems to be sticking between the ends of the magnet. Thus, the substance must be liquid oxygen as it has got unpaired electrons and hence it is attracted to a magnet and it is paramagnetic.

From the 2nd picture, the liquid seems to be simply running through between the ends of the magnet. So, it is repelled by a magnet and must be diamagnetic. Thus, it has no unpaired electrons and hence, the substance is liquid nitrogen.

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