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Explain why the first ionisation energy of strontium is less than the first ionisation energy of calcium

Both of these are alkali-earth elements, this means that both elements have the same amount of outer-shell electrons (2 electrons). Strontium is a row below calcium, meaning it has an additional electron she...
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Answered by Cory S. • Chemistry tutor
36989 Views

1) Gluconeogenesis 2) Glycogenesis 3) Glycolysis. Which is stimulated by glucagon production? [A] 1, 2, 3 [B]1 [C] 2, 3 [D] 1,2

B is the answer. Glucagon stimulates an increase in blood sugar/ [glucose] Gluco means glucose is the product Glyco means glycogen (storage of glucose in animals) is the product Neo means substrate is from a...
JM
Answered by James M. • Biology tutor
4338 Views

How many people died during Mao's Great Leap Forward?

Mao's Great Leap Forward 'killed 45 million in four years'
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Answered by Isabella W. • History tutor
3627 Views

What three factors make up the criteria of a biodiversity hotspot?

Species richness, endemism and level of threat
IW
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How do I find the highest common factor of two numbers?

The factors of a number are all the numbers that divide into it, so the HCF of two numbers is the highest number that is a factor of both numbers. I'd work it out by create a list of all of the prime factors...
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Answered by Olivia B. • Maths tutor
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