write the symbol for all 7 nonmetals in the periodic table (the symbol is the 1 or 2 letter abbreviation)

The pressure in a fluid is affected by which characteristics of that fluid

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

State one important difference between a physical change and a chemical change?