What is magma made of?
Silicon (Si), and Oxygen (O) which is bond to form the silicon-oxygen tetrahedron. Also, Aluminum (AI), Calcium (Ca), Sodium (Na), Potassium (K), Iron (Fe), Magnesium (Mg)
Wet magmas include up to 15% dissolved volatiles such as water, carbon dioxide, Nitrogen (N2), Hydrogen (H2), and sulfur dioxide (SO2). These volatiles come out of the Earth at volcanoes.