When atoms of two or more elements bond together, they make a compound. These clusters of strongly bonded atoms are called molecules ... Teacher: But a piece of pure gold will contain only ...

Atoms can combine in different numbers and in different ways to make different molecules. Atoms and molecules make up all of the different substances, including solids, liquids, and gases that are all ...

View the video below to see what you and your students will do in this lesson. Because substances are made up of different atoms and molecules, they react in characteristic ways. Production of a gas, ...

A crucial component of this is understanding the behaviour of the electrons that surround the atomic nucleus; these dynamics dominate the way atoms and molecules interact with their environment.

In Image A, the circle is representing a particle of water (H 2 O – three atoms ... the particles of different substances. There are plenty of other shapes available to represent particles that mirror ...

When atoms of two or more elements bond together, they make a compound. These clusters of strongly bonded atoms are called molecules ... Teacher: But a piece of pure gold will contain only ...