Which of the following states of matter occurs at the highest temperature?
a. gas
b. liquid
c. plasma
d. solid

Iron (3) oxide will decompose in the presence of hydrogen gas and heater to produced iron and digydrogen monoxide white a balanced chemical equation

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+

Select the correct location on the image identify the element that humans need to breathe. 2015 er r ights reserved