Name some acidic and alkaline substances that you use at home

What’s the percent by mass of carbon in c10h14n2

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

Name the element in group 17, period 2. (periodic table)