Which of the following of Dalton's theories do we no longer use today? atoms of the same element are identical in size, mass, and properties
matter is composed of small tiny particles called atoms
in chemical reactions, atoms are separated, combined, or rearranged
atoms are combined in whole number ratios

Does the energy in a solid increase or decrease when changing to a liquid?

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