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Describe how you would separate these mixtures:

a. gravel and water mixture

b. salt and water mixture

What is the oxidation state of chromium in cr2o7-2

Which units express heat capacity

Which SI unit indicates the mass on an average-sized box of breakfast cereal? A. oz B. lb C. kg D. g

A. If you have a Periodic Table that is NOT color coded, describe where to look on the Periodic Table to find elements which have similar chemical properties. B. Explain why they have similar chemical properties. C.

Treating one coworker better than others is called vertical relationship. favoritism. harmony. socializing.

Which of the following statements is true? Question 5 options: Nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not.

In which group is an element that has an outer-level electron configuration consisting of one electron in the nd orbital and two electrons in the ns orbital?

List two non-SI units for volume, and explain how they relate to the cubic centimeter.

G which atomic orbitals overlap to form the carbon-carbon σ bonding molecular orbital of acetylene, c2h2?

Where did the earth hold most of its original water