3. Explain How do struc-
tural formulas differ from
ball-and-stick models?

A molecular formula uses chemical symbols and subscripts to indicate the exact numbers of different atoms in a molecule or compound. ... A structural formula indicates the bonding arrangement of the atoms in the molecule. Ball-and-stick and space-filling models show the geometric arrangement of atoms in a molecule.

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The next element is345640

There is no graph to look at on here, but i shall explain them to you. a line graph is just in its title it’s a graph with a line running through the dots to show an increase or decrease. a bar graph is used to show how much or how little something is so a comparison. a scatter plot is used to graph points to tell the data. and i don’t know what a histogram is.