Classification and Properties of Matter
In chemistry and physics, matter is any substance that has mass and takes up space by having volume. All everyday objects that can be touched are ultimately composed of atoms, which are made up of interacting subatomic particles, and in everyday as well as scientific usage, "matter" generally includes atoms and anything made up of them, and any particles and objects that act as if they have both rest mass and volume. However it does not include massless particles such as photons, or other energy phenomena or waves such as light or sound. Matter exists in various states (known as phases) that are defined by various physical properties, such as state of matter, phase, shape, and density. The Standard Model of particle physics and the general theory of relativity describe fundamental particles and the fundamental forces acting between them that control the structure and dynamics of matter.
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This is an acid-base reaction (neutralization): HI is an acid, LiOH is a base.
Reactants:
- HI – Iodane
- Other names: Hydroiodic acid , Hydrogen iodide, Hydronium iodide
- Appearance: Colorless liquid
; Colorless gas; Colourless compressed liquefied gas with pungent odour
- Other names: Hydroiodic acid
- LiOH – Lithium hydroxide
- Other names: Lithium hydrate
, LiOH, Lithium hydroxide anhydrous
- Appearance: {{ubl
; Colourless-to-white hygroscopic crystals
- Other names: Lithium hydrate
Products:
- H2O – Water, oxidane
- Other names: Water (H2O) , Hydrogen hydroxide (HH or HOH), Hydrogen oxide
- Appearance: White crystalline solid, almost colorless liquid with a hint of blue,
colorless gas
- Other names: Water (H2O)
- LiI
- Names: Lithium iodide
- Appearance:
White crystalline solid
- Names: Lithium iodide