VSEPR Chemistry Invaders
#359,168 of 726,788 by ratings on Apple · #31,134 of 72,999 in Education
First seen by this census 09/05/2026 — the store does not publish a creation date
Last updated 07/21/2021
Tracked since 09/05/2026
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Category: Education
Description
VSEPR invaders in an arcade-style shooter app that helps students learn the various molecular geometries as a result of electron repulsion.
First, users learn various different VSEPR configurations. These include:
Linear, Trigonal Planar, Tetrahedral, Trigonal Bipyramidal, and Octahedral.
Next, the user starts the game and has a certain amount of time to shoot as many geometry models as possible.
Each ten-second segment of the game selects a certain molecular geometry and the student must target these models in order to score five points.
If the user shoots the incorrect model during the ten second period, they lose 1 point.
Once, the timer has reached ninety seconds, the game stops and the user's score is reported.
This app provides a fun and interactive experience to help learn molecular geometry in an innovative and new manner.
The free version of the app features games that last 1 to 2 minutes and the In-App purchase provides extended game length from 3 to 8 minutes.
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Growth
Change in ratings, scaled to each window from the real gap between crawls. A window needs a full period of history before it reports anything.
| Per | Growth | Growth % | Actual change | Measured over |
|---|---|---|---|---|
| day | Not enough history yet | |||
| week | 0 | — | 0 | 9.4 days |
| month | Not enough history yet | |||
| year | Not enough history yet | |||
History
Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.