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Chemistry
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Which Ion from Na+ and Mg2+ has a smaller atomic radii? Explain why?

The smaller ion of the two would be Mg2+. Both ions have the same electronic arrangement so the amount of shielding occuring for both ions is the same. The key difference between the ions that ...

TB
Answered by Tanvi B. Chemistry tutor
19943 Views

How do you form a Born-Haber cycle?

A Born-Haber cycle shows how one mole of an ionic lattice is formed from its elements in their standard states and their standard conditions. You start with the elements in their standard states, and at e...

GR
Answered by Gabby R. Chemistry tutor
2650 Views

What is a titration reaction in acid-base chemistry?

A titration reaction is used to calculate the conentration of an acid or alkali. The two solutions are combined, one of known and one of unknown concentration. When combined the hydrogen ions from the aci...

HS
Answered by Hatem S. Chemistry tutor
2966 Views

What is the chemical structure of metal

Metals are arranged in a regular lattice structure with the positive ions being held together via a sea of delocalised negative electrons.

KZ
Answered by Kevin Z. Chemistry tutor
2468 Views

How to balance equations

Write out all the atoms that are in the equation, underneath. Then always balance the carbons first, leave the others for later. Then do the hydrogens and then the oxygens. This method is for simple equat...

KR
Answered by Kajal R. Chemistry tutor
2460 Views

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