6. (1 point) what is the correct formula for sodium sulfate? *
nahso₃
nahso₄
na₂so₃
na₂so₄
7. (1 point) binary molecular compounds are made of two *
metalloid elements
metallic elements
nonmetallic elements
polyatomic ions
8. (1 point) which of the following correctly shows a prefix used in naming a binary molecular compound along with its corresponding number? *
penta- , 6
hexa- , 4
deca - , 8
nona- , 9
9. when the name of the anion that is part of an acid ends in – ate the acid name includes the suffix *
-ous
-ic
-ate
-ite
10. (1 point) in any chemical compound, the elements are always combined in the same proportion by *
mass
density
charge
volume
11. (1 point) avogadro’s number of representative particles is equal to one *
kelvin
mole
gram
kilogram

For questions 1 and 2, consider the following experimental data.hydrogen emission lines were detected at the following wavelengths (in nm): 121.6102.697.395.093.8question 1use the electromagnetic radiation classifications below and figure 1-1 in the introductory information for this lab (in the lab manual) to determine the nf value for the experimental data provided? wavelength, ? (nm) 650 700 550 600 400 450 500 visible spectrum wavelength, ? (m) 11 10 3 10 10 10 8 10 5 10 10 -10 10 9 10 10 10 10 -12 10 microwave radio infrared x-ray ultraviolet gamma 1020 1019 1018 1 1016 015 1014 01 12 109108 frequency, v (hz)a.1b. 2c. 3d. 4e. 5question 2using the data for the emission line with the longest wavelength, the known value of nf (from question 1 in this prelab), and the value of ni (deduced from the ? and nf values) calculate the rydberg constant for hydrogen (rh) in units of m-1.a) 1.097 x 10-11 m-1b) 5.921 x 107 m-1c) 1.097 x 10-2 m-1d) 9.252 x 106 m-1e) 1.097 x 107 m-1