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Explain the general trend in first ionisation energy across period 2 in the periodic table.

Across period 2, the nuclear charge increases from Li (3+) to Ne (10+) as protons are added to the nucleus. - The electros are removed from the same main energy level and electrons in the same main ...

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If a ball is thrown on the Moon, the projectile would have a greater range than if it were to have been thrown on Earth. Why is this the case?

The Moon has a lower gravitaional field strength than the Earth, and it does not have an atmosphere. The lower gravitational field strength means that there is lower acceleration, which results in an incr...

Answered by Tutor65616 D. • Physics tutor

12669 Views

Explain, with the help of diagrams, the effect of an increase in the price of petrol is likely to have on (i) The market for cars. (ii) The market for coal.

The petrol market over the past decades has had many price fluctuations and it is important to understand that changes in the price of petrol can have significant effect in other markets such as the marke...

Answered by Andriana S. • Economics tutor

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(Studying morphology) What exactly is the role of inflection?

Certain lexical word classes can take an inflectional suffix to signal meanings and roles that are important to their word class, such as 'plural' in the case of nouns, and 'past tense' in the case of ver...

Answered by Lizzy D. • English Language tutor

5046 Views

How can you tell the difference between a positive and a normative statement?

A positive statement is a statement that can be supported or refuted by evidence. For example, 'VAT is rising' is a statement that can be proved by comparing the tax rate from previous ye...

Answered by Aarthi T. • Economics tutor

5733 Views