Все публикации

0:02:28

R3.4.3 Heterolytic bond fission

0:02:38

S2.3.2 Factors that affect the strength of the metallic bond

0:02:22

R1.2.5 Born Haber cycle for sodium oxide (Na2O)

0:03:34

R1.2.5 Born-Haber cycle for magnesium chloride (MgCl2)

0:03:38

S1.4.4 Percentage composition by mass

0:05:38

S2.4.1 / S2.4.2 The bonding triangle

0:09:14

S1.2.3 Mass spectra of elements (HL)

0:01:35

S1.3.1 The Electromagnetic Spectrum

0:04:04

S1.3.3 / S1.3.4 Atomic orbitals and sub-levels

0:07:19

S1.3.5 Electron configurations and the Aufbau principle (part two)

0:05:48

S1.3.5 Electron configurations and the Aufbau principle (part one)

0:03:14

S1.2.2 Calculating relative atomic mass

0:03:28

S1.2.2 Isotopes

0:04:32

S1.3.2 The hydrogen emission spectrum

0:04:34

S1.2.1 Atomic number and mass number

0:02:47

R3.2.14 Cell potential and Gibbs free energy (HL)

0:05:27

R3.2.13 Calculating cell potential (HL)

0:06:01

R3.2.12 Standard electrode potentials (HL)

0:04:50

R3.1.16 Buffer solutions (HL)

0:05:15

R3.1.12 Salt hydrolysis (HL)

0:04:39

R3.1.11 Ka, pKa, Kb, pKb, Kw, pKw (HL)

0:02:49

S3.1.4 Properties of metals and non-metals

0:01:49

S3.1.1 The metalloids

0:05:27

R2.2.6 Intermediates and catalysts (HL)