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Chlorine molecules are smaller than bromine molecules in size, therefore, the van der Waals forces (intermolecular forces) are weaker between Cl2 molecules than compared to Br2 molecules.

Ionization energy is the energy required to remove the most loosely bound electron from an atom. As the nuclear charge of an atom increases and the size of an atom decreases, the ionization energy increas...

(Talk about needing to memorise colour tests for base metals and tests for Halides) The compound is KI (potassium Iodide) because potassium compounds burn with a lilac flame, and production a pale yellow ...

• 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 ...

First of all, it is important to note that changing the pressure will only affect the gas molecules in the reaction. Taking a simple equilibrium equation such as:

2SO_{2 (g)} + O_{2 (g) ...}