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To start with, we can clearly see that the difference between MgO and MgS is the anions, we have O(2-) and S(2-). As we know (from looking at the periodic table) O(2-) has a smaller ionic radius, and ther...
A molecule which donates electrons
The first ionisation energy is the energy required to move one mole of electrons from one mole of atoms in its gaseous state.The outer electron in Potassium is in the 4s orbital, which is further aw...
To tackle any question like this, you should first write out the reaction formula (I would do this on the whiteboard). You can see from this that the ratio between the reactant and product is 1:1. You can...
pH by definition is given as -log10(cH+) or log10(1/cH+), where cH+ is the concentration of the H+ ions in the solution.Similarly, pOH= -log10CBAnswered by Csaba B. • Chemistry tutor10433 Views
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