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Select ALL the empirical formulas from the list:

How many protons, neutrons, and electrons are in an atom of bismuth-209?

Write the complete electron configuration for the element chromium, Cr: Use the T2 function in the tool bar to show superscripts.

A mixture of gases contains CO2 (at 0.642 atm), SO2 (at 88 mm Hg), and N2 (at 234 torr).  What is the total pressure of the gas mixture in atmospheres?

Write the name for H2SO4(aq) in the blank.

What is the correct formula for the ionic compound containing tin (IV) ion and carbonate ion?   Show the individual ions first with their charges.  To show superscripts, use the T2 function in the tool bar. Then show the formula for the ionic compound.  To show subscripts, use the drop down next to T2 in order to get to T2 function on the tool bar. 2 Ion formulas = 2 pts Compound formula = 1 pt

Write the name for HC2H3O2(aq) in the blank.

When a neutral atom of tellurium forms an ion, it will

Which one of the following is a metalloid? 

Complete the following table.  Assume all atoms are neutral. NOTE: If clicking the dropdown arrow does not work, click on the word “Select” to see dropdown options.  You will also have to scroll over to get to the right side of the table. #protons #neutrons Atomic no. Mass no. #electrons Isotope symbol Isotope name m, nm, or md? [answer1] 23 [answer2] [answer3] 22 (omit) [answer4] [answer5] [answer6] [answer7] [answer8] [answer9] [answer10] [answer11] [answer12]