Calculate the average atomic mass for the theorictcal element (Op) with its two isotopes (Op8 and Op 10)
Op8 has a natural abundance of 97% Op 10 has a natural abundance of 3%
10.35 amu
18.00 amu
8.06 amu
231 amu

1) how many electrons are in each energy level of the following elements? a. he b. na c. na d. ne 2) how many valence electrons are percent in the following atoms? a. s b. mg c. be d. cl 3) which of the following elements are stable as atoms? a. he b. o c. cl d. ar if you are able to provide the work as to how you got the answers that would be greatly appreciated. : )

What is the theoretical yield of carbon dioxide? a)0.993 gb)2.98 gc)3.65 gd)8.93 g

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water