There is no 'is' between properties and sink, but I'd say, semi detatched, detached, manors etc, but not terraced properties
Hardness, ability to float or sink in water and so on.
The reason the pennies sink in water is because of an idea called density. The pennies have more density than the water, and so the pennies sink. Anything with more density than water will sink in water, but other objects that have less density than water will float.
If you want a obvious answer, tap water. Tap water is freshwater usually mixed with a tiny bit of fluoride.
Yes and no. Rubber bands can float and sink in water. They will float on the water for awhile and then will sink. But not all the time the rubber bands will float on the water for awhile. Sometimes it will immediately sink.
Maple syrup will sink but water is unable to sink because it is water.
the water sink is not solid and liquid
Arsenic is denser than water, so it will sink in pure water.
Silicon will sink in water because it has a higher density than water.
Cork can sink when it becomes waterlogged or saturated, losing its natural buoyancy. This can happen if it is submerged in water for an extended period or if it absorbs too much moisture. Additionally, cork can sink if it is combined with heavy materials that outweigh its inherent floatation properties.
Two angled polar bonds
Balls that are denser than water will sink. This includes materials like glass, steel, or rocks. Conversely, balls made of lighter materials like plastic or foam will typically float.
Sink water or water without salt.