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Sodium donates its outer shell (valence) electron to chlorine, so that both have a full outer shell. Sodium and chlorine are then held together by electrostatic forces of attraction between the positively...
As you go down group 2, the reactivity increases as the atomic radius increases and the shielding increases. This is despite the increase in nuclear charge. Therefore, as you go down group 2 less energy i...
To answer this question the first thing that needs to be done is to write a chemical equation, making sure it is balanced and includes state symbols:H2SO4 (aq) + 2NaOH (aq) --> Na2SO4 (aq)+ 2H2O (l)Nex...
Similarities Doesn't conduct electricity (only when the ionic is in solid) and covalent always (no charged particles) Many dissolve in water Differences Ionic substances loose or gain and electron to beco...
Ka = 10-pKa = 10--3 = 1000[H+] = √ Ka [0.025] = √1000 x 0.025 = 0.791pH = -log [H] = -log(0.791) = 0.102 = 0.1
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