Which of these orbital designations are invalid?

a. 4s

b. 2d

c. 3f

d. 3p

How would you prepare a 0.1M solution of HCl starting with a 1.0M solution? Assume you want to prepare 100 ml of solution.

How many grams are there in 3.4 x 10^24 molecules of NH3

When the equation Fe Cl2_> FeCl is balanced, what is the coefficient for C12? explain why each answer is correct or incorrect and submit quiz a. 1 b. 2 c. 3 d. 4.

What would you need to lower to change a gas to a liquid

You have two cups one is 6cm and other 10cm with no measurement and you have to pour 8cm of water into the 10cm cup using the two cup, without measuring it. How can you?

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.