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Showing 9901–9930 of 12084 guides
Chemistry
Before the discovery of the electron, atoms were thought to be tiny…
AQAGCSE
8462
Combined Science
Before the discovery of the electron, atoms were thought to be tiny…
AQAGCSE
8464
Chemistry
Later experiments led to the idea that the positive charge of any nucleus…
AQAGCSE
8462
Combined Science
Later experiments led to the idea that the positive charge of any nucleus…
AQAGCSE
8464
Combined Science
New experimental evidence may lead to a scientific model being changed or…
AQAGCSE
8464
Chemistry
New experimental evidence may lead to a scientific model being changed or…
AQAGCSE
8462
Chemistry
Niels Bohr adapted the nuclear model by suggesting that electrons orbit…
AQAGCSE
8462
Combined Science
Niels Bohr adapted the nuclear model by suggesting that electrons orbit…
AQAGCSE
8464
Chemistry
Students should be able to describe:
AQAGCSE
8462
Combined Science
Students should be able to describe:
AQAGCSE
8464
Combined Science
The difference between the plum pudding model of the atom and the nuclear…
AQAGCSE
8464
Chemistry
The discovery of the electron led to the plum pudding model of the atom.
AQAGCSE
8462
Combined Science
The discovery of the electron led to the plum pudding model of the atom.…
AQAGCSE
8464
Chemistry
The experimental work of James Chadwick provided the evidence to show the…
AQAGCSE
8462
Combined Science
The experimental work of James Chadwick provided the evidence to show the…
AQAGCSE
8464
Chemistry
The name proton was given to these particles.
AQAGCSE
8462
Chemistry
The plum pudding model suggested that the atom is a ball of positive…
AQAGCSE
8462
Chemistry
The results from the alpha particle scattering experiment led to the…
AQAGCSE
8462
Combined Science
The results from the alpha particle scattering experiment led to the…
AQAGCSE
8464
Chemistry
The theoretical calculations of Bohr agreed with experimental observations.
AQAGCSE
8462
Chemistry
This nuclear model replaced the plum pudding model.
AQAGCSE
8462
Chemistry
This was about 20 years after the nucleus became an accepted scientific…
AQAGCSE
8462
Combined Science
Why the new evidence from the scattering experiment led to a change in the…
AQAGCSE
8464
Chemistry
Why the new evidence from the scattering experiment led to a change in the…
AQAGCSE
8462
Biology
The Digestive System
OCRGCSE
The digestive system is one of the highest-yield topics in OCR GCSE Biology, appearing in virtually every exam series across both Foundation and Higher tiers. This guide covers the physical and chemical breakdown of food, the lock and key mechanism of enzyme action, the critical role of bile, and the structural adaptations of villi for nutrient absorption — giving you everything you need to access top-band marks on 1-mark recall questions right through to 6-mark Level of Response answers.
Physics
Einstein’s explanation of photoelectricity and its significance in terms…
AQAA-Level
7408
Physics
Planck’s interpretation in terms of quanta.
AQAA-Level
7408
Physics
The failure of classical wave theory to explain observations on…
AQAA-Level
7408
Physics
The ultraviolet catastrophe and black-body radiation.
AQAA-Level
7408
Combined Science
(HT only) If an object is accelerating, its speed at any particular time…
AQAGCSE
8464
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