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What led to the Plum Pudding model being replaced by Rutherford's nuclear model of the atom? (6 marks)

The Plum Pudding model states that charge and mass is spread throughout the atom. An idea that electrons are spread within a mass of positive charge.Rutherford carried out an experiment where he fired high e...
RP
Answered by Rachna P. • Physics tutor
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Was Ronald Reagan, President of the United States, or Mikhail Gorbachev, Leader of the USSR, more responsible for ending the Cold War?

Reasons for Reagan:He decided to initiate talks with the USSR on arms limitations and a renewed 'detente' like state between the countries. Capitalism won over Communism as it proved itself to be the dominan...
PK
Answered by Phoebe K. • History tutor
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Solve 5(x-6) < 20

When we solve this, it's going to be the same process as solving 5(x-6) = 20, except at each step we need to think about whether we change the inequality round or keep it the same. There are two ways of doin...
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Answered by Joseph S. • Maths tutor
5599 Views

√5(√8 + √18) can be written in the form a√10 where a is an integer. Find the value of a.

√40 + √90 = (√10 x √4 ) + (√10 x √9 ) = 2√10 + 3√10=5√10
AI
Answered by Abi I. • Maths tutor
5592 Views

Give a basic overview of the of the digestive system.

The digestive system is a tube starting from the mouth and ending at the anus. Between are different compartments with different roles. The first stage of digestion occurs in the mouth. The teeth grind the f...
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Answered by Nirali V. • Biology tutor
3958 Views