The ion AsO4^3-, known as arsenate, consists of one arsenic atom bonded to four oxygen atoms. It carries a negative three charge, indicating that it has gained three extra electrons. Arsenate is commonly found in various minerals and can also occur in some natural waters. Arsenate is an important compound in environmental science and agriculture, as it can affect soil and water quality. It is often studied for its role in arsenic contamination, which can pose health risks to humans and wildlife. Understanding arsenate is crucial for managing its impact on ecosystems and public health.