How do I figure out how many valance electrons an element has?

Obtaining scientific data from a distance is called?

Approximately how many particles are in a mole?

Now imagine you have several of such dipoles, and place them regularly between the plates. For this part of the pre-lab, you can ignore any interactions between the dipoles themselves, and think of each dipole as interacting with the electric field

ES How many milliliters of water should be added to 50.0 mL of a 1.0 M CaBr2 solution to create a 0.25 M solution?

Which Domain have eukaryotic cells? A. Bacteria B. Archaea C. Eukarya

How is the way a mixture is combined different from how a compound is combined?

Consider n2 (g) + 3h2 (g) →→ 2nh3 (g). what is the mass of nitrogen gas required to react with 0.129 g h2?

Write a sentence that uses the words "mass extinction" correctly

Which description is not a property of an acid? A turns litmus paper red B bitter taste C corrosive D dissolve metals

Concerning the 10.0 mL of 0.50 M NaCl diluted to 100 mL of solution: When a solution is diluted, does the dilution change the number of grams dissolved? yes no