All atoms are of <u>neutral charge, with an equal amount of protons and electrons.</u>
Answer:
element
Explanation:
an element is something made up of only one type of atom
The answer is E.
Chemoautotrophs are organisms that use inorganic <span>compounds as an energy source and CO2 as a carbon source. The organisms live in </span>hostile environments like dark depths of the sea. Inorganic energy sources that they use are mostly hydrogen sulfide, elemental sulfur, ferrous iron, molecular hydrogen, and ammonia.