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Using your knowledge of periodicity and atomic structure, why does the first ionisation energy decrease moving down a group yet increase moving along a period in the periodic table?

Moving down a group means that the shielding of the outer electrons is increased due to the greater number of inner electron shells within the atom - these are between the nucleus and the outer electrons....

AI
Answered by Alfie I. Chemistry tutor
1741 Views

To what extent was Hippocrates influential in medicine? Use examples of Hippocrates' work in your answer.

The extent to which Hippocrates influenced medicine can be debated in many different ways, however, some of the most crucial and innovative movements within medicine throughout history have arguably been ...

JD
Answered by Jodie D. History tutor
2948 Views

How does Orwell use events in ‘Animal Farm’ to explore ideas about revolution? Write about a) some of the events in the book and b) how Orwell uses these events to explore ideas about revolution. [30 marks]

Possible ways to frame an answer (30 mark question)AO1Jones’s cruel behaviourThe progression of the rebellion The pigs’ growing exploitation of the other animalsThe Pigs' perversion of the Seven Commandme...

NO
Answered by Naomi O. English tutor
3052 Views

‘The main reason for the tension between East and West in Europe in the 1960s was the actions of the Soviet Union.’ To what extent do you agree with this statement?

12 Mark Question PLAN - KEY point, the question asks about tensions in Europe, not tension globallyARGUMENT: Agree with the statement (i.e. recognise its merits), and deno...

NO
Answered by Naomi O. History tutor
6087 Views

A Positron has the same mass, but opposite charge to an electron. A Positron and electron are orbiting around each other separated by 1μm, in a stable circular orbit about their centre of mass, as a result of electrostatic attraction. Calculate the period

State Coulomb's law:F=(1/4πE0 )(qQ/d2)Since the distance separating the charges is twice the radius of the orbit relabel d to 2r and the charges are equal and opposite:F= -(1/16π...

JB
2077 Views

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