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Explain the trends in electronegativity in the periodic table

As you go across the period from left to right (excluding noble gases), electronegativity increases. This is because the nuclear charge increases (Atomic Number/number of protons) and atomic radius decreases...
AP
Answered by Anika P. • Chemistry tutor
4941 Views

'The League of Nations failed principally because the USA was not a member'. To what extent do you agree with this statement?

10 mark answer" The League of Nations failed for several reasons: the USA was not a member; its most powerful members, Britain and France, were motivated by self-interest; and any decision taken had to ...
CR
Answered by Catherine R. • History tutor
8906 Views

Rationalise the fraction : 5/(3-sqrt(2))

To rationalise a fraction we have to eliminate the surds in the denominator. We know we can multiply the top and the bottom of a fraction by the same thing, as this is equivalent to multiplying by 1. Notice ...
MM
Answered by Michael M. • Maths tutor
4618 Views

How do I form the regular past tense?

In Russian, regular verbs are formed by using the STEM of the infinitive and a SUFFIX , which agrees in both GENDER and NUMBER: Masc: - л / Fem: -ла / Neut: -ло / Plural: -ли The STEM is usually the infiniti...
RS
Answered by Rhiannon S. • Russian tutor
1822 Views

What is the 'future in the past' in Italian?

The 'future in the past' is a grammatical concept in Italian that doesn't exist in English. We use it to talk about things that, in the past, we thought might happen in the future. Sounds confusing? An examp...
JM
Answered by Joanne M. • Italian tutor
6005 Views