Chemistry Ib Sl

Acid-Catalyzed Hydration (Alkene) –
Ionic Bond – Electrostatic attraction between oppositely charged ions (metals with nonmetals).
orbital – 3D region around atom in which electrons will be located, different orbitals have different energy levels
Data, – A collection of facts and information, which you may have recorded during an experiment, from which conclusions and decisions can be made.
Buret – measuring small amounts of liquid delivered
Bisulfite (Hydrogen Sulfite) – HSO3 –
In the Rutherford's nuclear-atom model, …..
Isotope – Same number of protons – different number of neutrons
If the change in En is between 0.1-0.4 – nonpolar covalent bond
Reactant – A substance or molecule that participates in a chemical reaction
Noble gases – Extremely unreactive group 8A element
Positive Enthalpy= (endo or exo)thermic
Negative Enthalpy = (endo or exo)thermic –
What are bulk chemicals? – Chemicals produced on a very large scale.
DO/ BOD equation – O₂(g) ↔ O₂(aq) + heat
In the Rutherfоrd's nucleаr-аtоm mоdel, …..
Photon – Particle of electromagnetic radiation with no mass that carries a quantum of energy
Monatomic – A term used to describe the noble gases as they are composed of individual atoms which do not bond to each other. They are held together by LDFs in the liquid and solid state.
pure substance – a sample of matter, either a single element or a single compound, that has definite chemical and physical properties
Hydration – Addition of water e.g.
water + ethene → ethanol

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