(K) Which of the following will have the same number of oxygen atoms as 1.00 moles of CO2? O 2.00 moles of H2O
O 6.022 x 1023 molecules of NO2
O 1.5 x 1023 molecules of CO,
O 1.00 mole of HCIO3
O 6.022 x 1023 molecules of HNO3

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. : )

There are 6.022 x 10^23 atoms of hg in 1 mole of hg. the number of atoms in 4.5 moles of hg can be found by multiplying 4.5 by 6.022 x 10^23 a. 2.7 x 10^24 b. 27 x 10^23 c. 2.71 x10^24 d. 27.099 x 10^23

What is the name of this hydrocarbon?