What would happen if you tried to cut a piece of aluminum foil over and over again

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

Which formula can be used to calculate the molar mass of hydrogen peroxide

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17