select the 5 solid things in your study room and identify them as solid on their caracteristics.
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Answers
Answer:Solids
In the solid state, the individual particles of a substance are in fixed positions with respect to each other because there is not enough thermal energy to overcome the intermolecular interactions between the particles. As a result, solids have a definite shape and volume. Most solids are hard, but some (like waxes) are relatively soft. Many solids composed of ions can also be quite brittle.
Solids are defined by the following characteristics:
Definite shape (rigid)
Definite volume
Particles vibrate around fixed axes
If we were to cool liquid mercury to its freezing point of −39oC , and under the right pressure conditions, we would notice all of the liquid particles would go into the solid state. Mercury can be solidified when its temperature is brought to its freezing point. However, when returned to room temperature conditions, mercury does not exist in solid state for long, and returns back to its more common liquid form.
Solids usually have their constituent particles arranged in a regular, three-dimensional array of alternating positive and negative ions called a crystal. The effect of this regular arrangement of particles is sometimes visible macroscopically, as shown in Figure 3.3.3 . Some solids, especially those composed of large molecules, cannot easily organize their particles in such regular crystals and exist as amorphous (literally, “without form”) solids. Glass is one example of an amorphous solid.
Figure 3.3.3 : (left) The periodic crystalline lattice structure of quartz SiO2 in two-dimensions. (right) The random network structure of glassy SiO2 in two-dimensions. Note that, as in the crystal, each Silicon atom is bonded to 4 oxygen atoms, where the fourth oxygen atom is obscured from view in this plane. Images used with permission (public domain)
Explanation:
Answer:
1) study table
2)pencil
3) chair
4) books
5) pencil box
Explanation:
these all items are solid.unlike liquids and gases, they don't have property to flow. they have their definite shape as well as size.
hope it'll help you