which of the following is an element?\no protons\no carbon dioxide\no hydrogen\no water
which of the following is an element?\no protons\no carbon dioxide\no hydrogen\no water
Answer
Brief Explanations:
An element is a pure substance made of only one type of atom. Protons are sub - atomic particles, not elements. Carbon dioxide ($CO_2$) and water ($H_2O$) are compounds made of different types of atoms. Hydrogen is an element with the symbol H and is made of hydrogen atoms only.
Answer:
Hydrogen