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Describe the trend in reactivity as you go down group 2 metals?

As you go down group 2, the reactivity increases as the atomic radius increases and the shielding increases. This is despite the increase in nuclear charge. Therefore, as you go down group 2 less energy is r...
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Answered by Chioma N. • Chemistry tutor
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Which house in the British Parliament is more powerful?

There are two chambers of the British Parliament; The House of Commons and the House of Lords. The Lords is supposed to be the upper house, but the Parliament Acts of 1911 and 1949 restricted their power and...
JR
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Quel est votre opinion sur l'environnement? Que fait votre famille pour aider l'environnement?

Je pense que l'environnement est en danger en ce moment. Il faut faire attention à notre planète. Par exemple, en ce moment il y a beaucoup de pollution dans le monde, et des conditions très extrêmes. Chez m...
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Answered by Alexandra S. • French tutor
2552 Views

Describe and explain the formation of an oxbow lake

Oxbow lakes are often found in the middle course of a river where the discharge is high. Firstly, a meander will begin to form. On the inside of the bends (convex banks) deposition occurs and on the outsides...
FK
Answered by Felix K. • Geography tutor
5148 Views

Explain how the use of fossil fuels and changes in agriculture may have contributed to global changes in temperature (4 marks)

When fossil fuels are burnt, they release carbon dioxide. Carbon dioxide is a greenhouse gas which traps incoming radiation from the sun. This radiation causes the atmosphere to heat up and thus we see an in...
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Answered by Felix K. • Geography tutor
3680 Views