Top answers


What is the electron arrangement of Potassium (K)?

2,8,8,1
SM
Answered by Sameer M. Chemistry tutor
5539 Views

What at the alkali metals?

These are the group one elements on the periodic table. They are highly reactive so are stored under oil. When they react with water it is often a violent reaction. It also turns to water alkaline, hence why...
ES
Answered by Edward S. Chemistry tutor
4610 Views

What are the general trends of alkali metals (group 1)?

Group 1 metals all have one outer electron, which is responisble for their properties. As you go down the group: the metals become more reactive. This is due to the increased number of electron shells which ...
JB
5527 Views

How does the structure of benzene differ from the pre-assumed structure of 1,3,5-cyclohexatriene? *Kekule's structure*

(drawing of the two) There are three main ways that we can tell the correct structure of benzene consists of a delocalised ring. They are: the delocalised structure is more stable that the proposed alkene st...
FN
Answered by Freya N. Chemistry tutor
10562 Views

How and why does atomic radius vary in the periodic table?

Atomic radius increases down a group in the periodic table. This can be explained by a phenomenon called electron shielding. As the number of electron shells is increased down the group, the attraction betwe...
CS
Answered by Craig S. Chemistry tutor
6213 Views