Which of the following reagents is an environmental toxin? Select all answers that apply. a. hydrazine sodium b. hydrosulfite triethylene c. glycol triethylene d. glycol 3-nitrophthalic acid e. hydrogen peroxide

Environmental toxin:

There are certain elements inside the different systems which are more injurious to the living life and has number of negative effects on the living being health(normal body system) as a whole. While, the living beings are more vulnerable to some of the hazardous elements found inside the different spheres of the planet.But, some of the compounds are far more hazardous to life itself.

The following are the elements which acts as the toxins for the living beings:

answer:

the answer is 6 valence electrons.

explanation:

valence is the # of electrons on the outer most shell of an atom.

oxygen has 6.

although, the valency of oxygen is 2, because it only needs to make 2 covalent bonds, or gain 2 electrons, to achieve the stable octet configuration of a noble gas.

that's it!

if you need further assistance, let me know: )

~ trueboss72