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Which picture BEST represents a solid?

What’s the total mass of 10 Indium atoms?

A liquid boils at -233.0 oF.  What’s the equivalent temperature in terms of oC and K?     Mark your answer next to words “Final answer is”.  You must follow significant figure rules.  Show your work here to receive full credit.  

What’s the total mass of 100 thallium atoms?

Some radioactive elements have short-lived isotope(s). Their average atomic masses are not determined, and the mass numbers of their most stable isotopes are listed on the periodic table instead.  Find Am in the periodic table and give the number of neutrons in its most stable isotopic atom.  

Which picture BEST represents a compound? a.        b.     c.   

Which picture BEST represent a mixture?   a.        b.     c. 

The network of cells that conducts the products of photosynthesis is known as the______. It’s cells are ______ at maturity

An animal can be said to be acting as a successful mutualist with a plant if it

The horsetails and ferns are members of a single phylum, the _____.