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As you move from group 1 across the periodic table to group 7.

1. The types of bonding change. Consider an element within group 1 - Lithium (Li). This exists as a metal, it has metallic bonding....

THe potassium would move around on the water and fizz. This is because it is an alkali metal that reacts with the water. 2K + 2H2O --> 2KOH + H2. The fizzing is the result of this reaction. Discussion ...

So, when two molecules are bonding to each other they are always trying to achieve the same state, which is having a full outer shell of electrons. Ionic and Covalent bonding are two different ways of get...

Halogens. Boiling point increase as you go down the group. (This is because the size of the molecules increase as you go down the group, which increases the strengths of van der Waals forces)

An exothermic reaction is one in which heat is released from the reaction system to its surroundings, causing an increase in temperature. 'Exo' means to give off, heat is expelled in this reaction. An end...