1-precision – How close the results of multiple experimental trials are
2-protonation – the addition of a proton (H+) to an atom, molecule, or ion
3-proton – a positive unit or subatomic particle that has a positive charge
4-photon – a carrier of electromagnetic radiation of all wavelength (such as gamma rays and radio waves)
5-quanta- It is the minimum amount of bundle of energy
6-quarks – elementary particle and a fundamental constituent of matter
7-Quantum mechanics – the study of how atoms, molecules, subatomic particles, etc. behave and are structured
8-radioactive decay – the process of an unstable atomic nucleus losing energy by emitting radiation
9-radiation – energy in the form of waves or subatomic particles when there is a change from high energy to low energy states
10-subatomic particles – particles that are smaller than an atom; examples are protons, neutrons and electrons
11-sublimation – a phase transition from solid to limewater fuel or gas
12-Standard conditions for temperature and pressure or SATP – a standardisation used in order compare experimental results (25 °C and 100.000 kPa)
13-speed of light – the speed of anything that has zero rest mass (Energyrest = mc² where m is the mass and c is the speed of light)
14-solvent – the part of the solution that dissolves the solute (H2O in saline water)
15-spectroscopy – study of radiation and matter, such as X-ray absorption and emission spectroscopy
16-solution – homogeneous mixture made up of multiple substances. It is made up of solutes and solvents.
17-solute – the part of the solution that is mixed into the solvent (NaCl in saline water)
18-sol – a suspension of solid particles in liquid. Artificial examples include sol-gels.
19-single bond – sharing of one pair of electrons
20-semiconductor – an electrically conductive solid that is between a conductor and an insulator
21-saline solution – general term for NaCl in water
22-salt bridge – devices used to connection reduction with oxidation half-cells in an electrochemical cell
23-salts – ionic compounds composed of anions and cations
24-s-block elements – Group 1 and 2 elements (alkali and alkaline metals), which includes Hydrogen and Helium
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