Media Summary: Relative atomic mass, molecular mass and formula mass. What do they mean and how do we calculate them? Answers at 4:30 ... What is the Periodic table? Trends in periods 2 and 3 and down groups Ionisation energy and electron affinity. What is a synapse? What are the sequence of events which enable an action potential to cross the gap between two neurons?
Btec Applied Science Unit 1 - Detailed Analysis & Overview
Relative atomic mass, molecular mass and formula mass. What do they mean and how do we calculate them? Answers at 4:30 ... What is the Periodic table? Trends in periods 2 and 3 and down groups Ionisation energy and electron affinity. What is a synapse? What are the sequence of events which enable an action potential to cross the gap between two neurons? Shells Sub-shells Orbitals etc.. Electron configuration diagrams. How does an action potential travel through a neurone? What are the different types of gates and when are they open or closed? What causes Parkinson's disease and Depression and how are they treated? In what ways can drugs interfere with normal ...
Light and electron microscopes. How they work and the differences between them. What forces act between molecules? Van der Waals and permanent dipole dipole forces including hydrogen bonds. This video explains the answers for each question in the January 2019 Chemistry What are spectra and how are they used by chemists and physicists. Several trends in the periodic table Atomic radius, electronegativity and melting point. What equations do you need to know? What prefixes do we need to know? Calculating frequency from period.
Prokaryotic cells do not contain membrane bound organelles. What do they contain and what do the bits do? It also discusses ... What is an electrocardiogram? What is happening at P QRS and T ? What is a pacemaker? When a string is plucked a transverse stationary wave occurs. In this video I look at the nature of this wave and also how to ... What is an element? What is a compound and what are the two types of compound? We also cover balancing equations with lots ...
