How many moles is 2.80 x 10^24 atoms of silicon

In which of the following is the number of neutrons correctly represented? A. fluorine: atomic number 9, mass 19, neutrons 0 B. arsenic: atomic number 33, mass 75, neutrons 108 C. magnesium: atomic number 12, mass 24, neutrons 24 D.

What would a solution with a pOH value of 9 be categorized as? Neutral Base Toxic Acid

Name the process that changes matter into one or more new substances

A substance in a lab has the following characteristics: low density, compressible fluid, and random and fast-moving molecules. in which category would this substance best be classified? a. solid b. liquid c. gas d. stable

How can erosion form new land? (site 2)

A chemical base may be defined as a compound which contributes hydroxide ions or increases the OH concentration when dissolved in water. True False

Correct name for LiCl

What is anisotropy. Explain briefly with example.

Which is measured using a calorimeter

5) Solid lithium metal is added to an aqueous solution of magnesium chloride forming lithium chloride solution and solid magnesium a. If you begin the reaction with 15.0 g of lithium and 25.