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How does the reactivity change down Group 1 elements, and why?

The reactivity increases. Group 1 are the alkali metals so they react by losing their valence electrons. Caesium is more reactive because it gives up its electrons more readily. It has more inner shells so i...
EH
Answered by Emily H. • Chemistry tutor
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Name and draw the mechanism where bromoethane reacts with NaOH to form ethanol.

Mechanism: Nucleophilic Substitution Electronegativity is the ability of an atom to attract a bonding pair of electrons. As bromine is more electronegative than carbon, the C-Br bond is polar, meaning the el...
Answered by • Chemistry tutor
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By comparing the forces involved, explain why hydrogen iodide (HI) would have a higher boiling point than hydrogen bromide (HBr)?

stronger van der waal bonds because iodide ion (I-) has a larger electron cloud so more polarisable so istantaneouos dipoles happen more often and more strongly, so more energy is needed to overcome these bo...
MW
Answered by Maddie W. • Chemistry tutor
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How do you work out an electron configuration?

A full electron configuration shows the amount of electrons in each shell and subshell of an element or ion. Shells (also called energy levels) progress from 1 to 4, with 1 being the closest to the centre of...
LB
Answered by Lauren B. • Chemistry tutor
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Why do group 1 elements get more reactive as you go down the group?

The atoms are composed of a positive nucleus surrounded by negative electrons. In order to ionically bond, each group 1 element wants to lose its outer electron to whatever it is going to bond to, eg Cl. As ...
TD
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