Which is a major environmental concern for our oceans? Question 5 options:

oxygen pollution

plastic pollution

nutrient pollution

air pollution

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.

If it is an isoelectronic series select true, if not select false. o2-, s2-, se2-, te2- na+, k+, rb+, cs+ n3-, p3-, as3-, sb3- ag, cd+, sn3+, sb4+ f-, cl-, br-, i- f-, ne, na+, mg2+ s2-, s, s6+

Which of the following is a chemical property of water at 4 c