Atoms. If I remember correctly. I’m not sure what exactly your looking for though
Si -Atomic number -14 -1s2 2s2 2p6 3s2 3p2 - 4 valence electrons
because the model makes the concepts easier to understand
Explanation:
A model would be useful because they make concepts easier to understand.
Models are abstractions of the real world.
- Scientists use model to make concepts easier to understand
- Models take parts of the real world and simulates them.
- They help remove the ambiguity that might be associated with studying the real world.
Learn more:
Model brainly.com/question/5012266
#learnwithbrainly
