It represents the number of protons in the nucleus of an atom which determines the chemical properties of an element.
Answer:
Explanation:
The valency of aluminium is +3 while the valency of chlorine is -1
we will first write the half reactions
Half oxidation reaction
Now will write the complete equation-
The balanced equation would be
I think the answer is <span>PCl5 + 4H2O → 5HCl + H3PO4
</span>
To covert from moles to atoms times the number of moles by Avogadro's Number (6.022×10²³)
4.0 × 6.022×10²³ = 2.4088×10^24
Answer:
C
Explanation:
The higher the period the higher the activity of an element, therefore, since iodine is in period 6 and bromine is in period 5, the described reaction is not possible due to the fact that bromine is less active
