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About this app

⚗️ Elements & Molecules — Hands-on Chemistry Lab

Did you find chemistry difficult?

Drag and drop elements with your finger to complete a molecule.

The chemical formulas from your textbook come to life right before your eyes.

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🔬 Key Features

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📌 Includes 118 Elements of the Periodic Table

From Hydrogen (H) to Oganesson (Og), you can view all elements of the modern periodic table,

along with their element symbols, atomic numbers, and Korean names.

Elements are color-coded according to their group (alkali metals, transition metals, halogens, lanthanides, etc.),

making them easy to identify at a glance.

🧪 Create Molecules by Dragging

Drag elements from the bottom palette onto the board.

Select the desired elements and press the 'Combine' button to automatically generate a molecule.

💡 23 types of molecules you can create
- Water (H₂O)
- Carbon dioxide (CO₂)
- Ammonia (NH₃)
- Ethanol — Alcohol (C₂H₅OH)
- Sulfuric acid (H₂SO₄)
- Glucose (C₆H₁₂O₆)
- Sugar (C₁₂H₂₂O₁₁)
- Hydrochloric acid (HCl), Nitric acid (HNO₃), Carbonic acid (H₂CO₃)
- Hydrogen peroxide, ozone, baking soda, etc.

Check the full list and combination methods at the 'Molecular Formula' button.

🔍 Touch molecule — Check Korean name

Touching a completed molecule will alternately display the molecular formula and the Korean name. (e.g., H₂O ↔ Water, NH₃ ↔ Ammonia)

↩️ Decomposition Function

Select the generated molecule and press the 'Decompose' button

to separate it back into its constituent elements.

✏️ Lasso Selection

Drag across the empty space on the board to draw a lasso

allowing you to select multiple elements or molecules at once.

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🎓 Recommended for:

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- Elementary, middle, and high school students learning chemistry for the first time

- Those who are confused about chemical formulas and molecular structures

- Parents who want to teach chemistry to their children easily

- Anyone who wants to learn the periodic table in an enjoyable way

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✨ App Features

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- No ads · No internet connection required

- Intuitive touch interface

- Eye-friendly screen with dark theme

- Visual learning through color coding by element group