Achemical change in which a single compound is broken down into two or more

The metric unit of electrical power is the watt volt ampere ohm

What part of the ear is names after tools, such as the hammer and the anvil?

Two models of the same compound are shown. in what way is model b better than model a? model b shows the types of elements in the compound, but model a does not. model b shows the three-dimensional shape of the molecule, but model a does not. model b shows how the atoms in the molecule are connected, but model a does not. model b shows the number of atoms of each element in the molecule, but model a does not