Collisions: Play Chemistry

## Description

Bring chemistry to life through play!

Interact with the basic building blocks of chemistry in order to explore and solve challenges.

Acids & Bases: Remove protons from acids, then add them to bases while exploring the strengths of various acids.
Atoms: Use protons and electrons to build atoms and explore atomic size.
Covalent Bonding: Bond atoms to build molecules of various shapes and bond polarities.
Intermolecular Forces: Form IMFs of various types and strengths by building molecules of different polarities.
Ionic Bonding: Explore how ions of various charges interact to form ionic compounds.
Ions: Manipulate energy to add or remove electrons and form ions.
Phase Change (New!): Add and remove energy to affect motion and intermolecular forces to create phase changes.

Beat the challenges by using your knowledge to solve the levels, using the bank and targets as guides!

Unlock the sandbox to freely explore the rules of chemistry and earn achievements along the way.

Once you've mastered the challenges, take it to the next level by solving a level within a level in the later challenge levels to see how it all connects.

Atoms is free to play. Full access to Atoms, Ions, Covalent Bonding, Ionic Bonding, Acids & Bases, IMFs, and Phase Change are available through monthly or yearly in-app subscription* or by using a valid login provided by your school. Educational institutions can contact PlayMada Games for more information.

*Subscription will automatically renew at the end of the period, within 24 hours of its expiration. Your credit card will be charged through your iTunes account at confirmation of purchase. To stop auto-renewal, turn off the feature in your iTunes account settings at least 24 hours prior to your subscription's expiration. Current, active subscriptions cannot be cancelled.

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