MgO and Nacl melting points?

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MgO and Nacl melting points?

Why is the melting point of MgO much higher than that of NaCl even though they're both ionic?

2007-03-05 21:32:18 · 1 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry

1 answers

forces between Mg+2 and O-2 IS stronger than between Na+ and Cl- caz estimating formula : F=q1q2/r^2 (q is charg and r is radios) in MgO q1=q2=2 therefore F becoms stronger (r is diffrent between these 2 compound but the effect of q is more)

2007-03-05 21:43:57 · answer #1 · answered by liloofar 3 · 0⤊ 0⤋