KS3 Chemistry - The periodic Table
3:57
YouTubeCognito
KS3 Chemistry - The periodic Table
⭐️ Check out our website https://www.cognito.org/ ⭐️ *** WHAT'S COVERED *** 1. The structure of the periodic table and what it tells us about atoms. * How to find the atomic number (number of protons). * How to find the mass number (number of protons and neutrons). 2. How the periodic table organises elements. * The arrangement of ...
11.5K views1 month ago
Cognito: Most Viewed Videos
GCSE Physics - Energy Stores, Transferring Energy & Work Done
5:10
GCSE Physics - Energy Stores, Transferring Energy & Work Done
YouTubeCognito
2.2M viewsMay 21, 2019
How are Proteins Made? Transcription & Translation
11:21
How are Proteins Made? Transcription & Translation
YouTubeCognito
1.8M viewsMar 15, 2020
GCSE Biology - Cell Types and Cell Structure (2026/27 exams)
6:49
GCSE Biology - Cell Types and Cell Structure (2026/27 exams)
YouTubeCognito
1.6M viewsMay 30, 2021
Cognito Chemistry Experiments
Revision checklist: inheritance + Punnett Squares!
1:16
Revision checklist: inheritance + Punnett Squares!
YouTubeCognito
4.7K views1 month ago
An Inspector Calls - Past Paper Analysis + Predictions
0:54
An Inspector Calls - Past Paper Analysis + Predictions
YouTubeCognito
23.7K views1 month ago
7 Power rules for exams
2:28
7 Power rules for exams
YouTubeCognito
26.2K views1 month ago
Top videos
KS3 Chemistry - Metals & Non metals
4:30
KS3 Chemistry - Metals & Non metals
YouTubeCognito
4.2K views1 month ago
GCSE Chemistry - Types of Covalent Structures: Simple Molecular & Giant Covalent Structures
5:22
GCSE Chemistry - Types of Covalent Structures: Simple Molecular & Giant Covalent Structures
YouTubeCognito
118.1K viewsJun 18, 2025
GCSE Chemistry - Electronic Structure (2026/27 exams)
6:51
GCSE Chemistry - Electronic Structure (2026/27 exams)
YouTubeCognito
95.2K viewsJun 3, 2025
Latest From Cognito
How to jump grades with Cognito (Start free or STUDY20 for 20% off pro)
1:04
How to jump grades with Cognito (Start free or STUDY20 for 20% off pro)
YouTubeCognito
9.7K views1 month ago
How to avoid common mistakes for GCSE biology definitions :)
1:00
How to avoid common mistakes for GCSE biology definitions :)
YouTubeCognito
6.5K views1 month ago
How to get the most of your past papers (PASTPAPER20 for 20% off Cognito Pro)
0:58
How to get the most of your past papers (PASTPAPER20 for 20% off Cognito Pro)
YouTubeCognito
11.8K views1 month ago
KS3 Chemistry - Metals & Non metals
4:30
KS3 Chemistry - Metals & Non metals
4.2K views1 month ago
YouTubeCognito
GCSE Chemistry - Types of Covalent Structures: Simple Molecular & Giant Covalent Structures
5:22
GCSE Chemistry - Types of Covalent Structures: Simple Molecular & Giant Covalent Structures
118.1K viewsJun 18, 2025
YouTubeCognito
GCSE Chemistry - Electronic Structure (2026/27 exams)
6:51
GCSE Chemistry - Electronic Structure (2026/27 exams)
95.2K viewsJun 3, 2025
YouTubeCognito
GCSE Chemistry - Atom Economy - Calculations | Why it's Important (2026/27 exams)
5:21
GCSE Chemistry - Atom Economy - Calculations | Why it's Important (2026/27 exams)
31.5K views11 months ago
YouTubeCognito
GCSE Chemistry - Compounds, Molecules & Mixtures (2026/27 exams)
6:21
GCSE Chemistry - Compounds, Molecules & Mixtures (2026/27 exams)
134K viewsMay 29, 2025
YouTubeCognito
Electrolysis Part 1/3 - Basics and Molten Compounds
4:20
Electrolysis Part 1/3 - Basics and Molten Compounds
391.7K viewsFeb 13, 2025
YouTubeCognito
GCSE Chemistry - Redox Reactions - Displacement Reactions | Ionic Equations | Half Equations
5:19
GCSE Chemistry - Redox Reactions - Displacement Reactions | Ionic Equations | Half Equations
193.3K views11 months ago
YouTubeCognito
6:10
GCSE Chemistry - Lifecycle Assessments (LCAs) - Stages | Examples | Limitations (2026/27 exams)
19.9K views6 months ago
YouTubeCognito
6:24
GCSE Chemistry - Balancing Equations | Writing Word & Symbol Equations (2026/27 exams)
170.4K views8 months ago
YouTubeCognito
4:33
GCSE Chemistry - Conservation of Mass (2026/27 exams)
46.7K views1 year ago
YouTubeCognito
4:45
GCSE Chemistry - Limiting Reactants & Balanced Equations (2026/27 exams)
82.7K views11 months ago
YouTubeCognito
4:28
GCSE Chemistry - The Reactivity Series - Metal Reactions | Displacement Reactions (2026/27 exams)
114K views11 months ago
YouTubeCognito
5:02
GCSE Chemistry - The History of the Atom | Models & Theories (2026/27 exams)
145.6K viewsJun 2, 2025
YouTubeCognito
4:39
GCSE Chemistry - Ionic Bonding - Formation | Dot and Cross Diagrams (2026/27 exams)
283.9K viewsJun 13, 2025
YouTubeCognito
5:19
GCSE Chemistry - Purity & Formulations (2026/27 exams)
26.3K views8 months ago
YouTubeCognito
7:49
Atoms & Ions | Protons, Neutrons, Electrons
428.5K viewsMay 25, 2025
YouTubeCognito
6:03
Electrolysis Part 3/3 - Aqueous Solutions
172.1K viewsFeb 21, 2025
YouTubeCognito
See more
Static thumbnail place holder