Click and drag answers to change the order, or select using ↹ Tab then move by pressing Space and the ↑ ↓ arrows on your keyboard.
Made of two different elements, one a metal and one a non-metal.
Used to show how chemical bonds are formed between atoms.
Simplest whole number ratio of atoms of each element in a compound.
To pick up a draggable item, press the space bar.
While dragging, use the arrow keys to move the item.
Press space again to drop the item in its new position, or press escape to cancel.