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Write the chemical formula for a compound made from sodium and the phosphate polyatomic ion. Name the compound. Formula  [red8] Name  [red9] Is it an ionic or molecular compound?  [red10]

Classify each of the following as a pure substance or a mixture. Fluorine (used to make fluorides, such as those used in toothpaste) [blu8] Toothpaste  [blu9] Calcium fluoride, CaF2, from the naturally occurring ore fluorite. [blu10]

Write the chemical formula for a compound made from calcium and nitrogen. Name the compound. Formula  [joe4] Name  [joe5] Is it an ionic or molecular compound?  [joe6]

The derived unit for volume is much too large for practical use in many cases so it has been divided into smaller increments. Which unit below is not a unit of volume?

Regarding solutions, which statement is not true?

Hydrogen (mass number 1) sits next to helium (mass number 2) on the periodic table. Which statement below is not true?

An element is in group 14 and period 5. Answer the following: Name the compound [ans1] Give its symbol   [ans2] Is it metal, non-metal, or semi-metal? [ans3] Would this element be malleable? [ans4]

Elements are made up of atoms. Atoms are made up of protons, neutrons, and electrons. Which component of the atom has the least mass? 

All particles of matter are in motion. Temperature is a measure of the average motion of the particles in a system. There are three temperature scales (Fahrenheit, Celsius, Kelvin). Which temperature rise indicates the greatest increase in molecular motion?

Write the chemical formula for a compound made from aluminum and oxygen. Name the compound. Formula  [red1] Name  [red2] Is it an ionic or molecular compound?  [red3]