Blog

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]

An automobile is traveling at 65 miles / hour.  What is the speed expressed in inches / second?  Given:  1 mile = 5280 feet and 1 foot = 12 inches.   Show your math setup with answer.  An answer only will NOT receive full credit. You may choose to use the equation editor (x  ).  Click on the three vertical dots to find it in the tool bar. Express answer using significant figure rules. 1 point each conversion factor used = 4 points Answer = 0.5 pt correct + 0.5 pt sig figs = 1 point

Write the formula for chromic acid.   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 acid 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  

The process for a gas changing to a solid is called

Listing the following in order of decreasing metallic character: Ca, N, Si, Al

The process for a liquid changing to a gas is called

Write the shorthand electron configuration (using noble gas core) for silver, Ag. Use the T2 function in the tool bar to show superscripts.