Catalyst the Cat - Mascot Style Guide
This page shows all mascot images as well as the admonition styles for reference. Check that all the images have a transparent background and do not have excessive padding around the drawing. Note that the images have a dashed blue border around them so you can clearly see the padding.
Image Tests
- Welcome

- Thinking

- Tip

- Warning

- Encouraging

- Celebration

- Note (Neutral)

Admonition Tests
Catalyst Says: Let's React!
Welcome, chemists! I'm Catalyst the Cat, your guide through
the fascinating world of AP Chemistry. Let's get started!
Key Insight (Thinking)
Notice that every chemical reaction must conserve both mass
and charge. This is one of the most fundamental principles
in all of chemistry!
Catalyst's Tip
Always balance your equations by starting with the most
complex molecule first. It saves time and reduces errors!
Common Mistake
Don't forget to include state symbols (s), (l), (g), (aq)
in your equations. The AP exam will expect them!
You Can Do This!
Thermodynamics can feel overwhelming at first. That's
completely normal! Take it one concept at a time, and
soon it will all click into place.
Great Chemistry!
You've mastered balancing redox equations! That's one of
the trickiest skills in AP Chemistry, and you nailed it.
Catalyst's Note
This concept connects back to what we learned about atomic
structure in Chapter 1. Electronegativity trends follow
directly from effective nuclear charge.