Red or irritated eyes and skin, choking, vomiting, convulsions or seizures, pinpoint pupils may be symptoms of what type of cbrne exposure?

Answer is: this is chemical type of CBRNE exposure.
CBRNE is an acronym for Chemical, Biological, Radiological, Nuclear and high yield Explosives (usually used for weapons of mass destruction).
Chemical weapons can be: nerve agents, blister agents, choking agents and blood agents.

Determine the  wavelength of light emitted when an electron  in an li2+ ion  makes a transition from an orbital with n  =  6 to an orbital with n  = 5.

Ithink chemical bonding