Question

Look at the chemical formula and the model below.


A model of a molecule containing two balls labeled H and one ball labeled O.

chemical formula for water

model of a water molecule

Both the chemical formula and the model tell you about the composition of water. But only the model gives you information about the arrangement of the atoms in a water molecule.
Match the meanings to the terms.
is the chemical elements that make up a substance composition or arrangementis the order in shape in which the atoms are bonded together in the substance composition or arrangement

Answer 1

Here’s the correct matching for the meanings to the terms:

- **Composition**: is the chemical elements that make up a substance.

- **Arrangement**: is the order and shape in which the atoms are bonded together in the substance.