Sunday
April 20, 2014

Homework Help: Chemistry

Posted by Taylor on Wednesday, September 16, 2009 at 5:52pm.

Can someone please help me with these chemistry questions...I just don't get it!

1. Using the following elements, rank them in order of increasing melting points, based on the periodic trend for melting point: Sr, Mg, Be, Ba?

Would it be Be, Mg, Sr, Ba or would it be Ba, Sr, Mg, Be?

I know what the questions asking for but I get so confused when it wants them in increasing orders!

2. Using the following elements, rank them in order of increasing radius, based on the periodic trend for melting point: Li, Li+1, Rb, Rb+1?

Would this be Li, Li+1, Rb, Rb+1, is that correct?

Thanks for the help in advance ;-)

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