Which kind of bond is formed when two atoms share electorons to form a molecule

Which set of characteristics best describes igneous rock? a) largest type of rock, made of organic matter, hardest type of rock b) least abundant type of rock, made of other rocks, made mostly of minerals c) found on all continents, contains wavy bands of stripes, contains fossils d) most abundant type in earth's crust, made of magma/lava, contains no fossils

If maltose undergoes hydrolysis what subunits does it results to?

What is the chemical name of the compound ti2o3? use the list of polyatomic ions and the periodic table to you answer.