Homework Help: chemistry

Posted by anon 101010 on Sunday, January 24, 2010 at 10:39pm.

can u help me on these questions?

1) describe the development of the modern periodic table. include contributions made by Lavoiser, Newlands, Mendeleev, and Mosely.

2) describe the general characteristics of metals, nonmetals, and metalloids.

3) identify each of the fallowing as a representative element or a transition element.
(a) lithium---Li
(b) platinum---Pt
(c) promethium---Pm
(d) carbon---C

much help is needed and appriciated

chemistry - DrBob222, Sunday, January 24, 2010 at 10:59pm
These are discussion questions. We can help review what you write but no one here will write the paper for you.
chemistry - jj, Friday, November 11, 2011 at 2:11pm
describe the general characteristics of metals, nonmetals, and metalloids.

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