Barium (Ba) has two valence electrons, and these electrons are located in the 6s subshell. Without using the periodic table, in which group and period is barium located?

Group 2A, Period 7

Group 1A, Period 6

Group 1A, Period 7

Group 2A, Period 6

The energy from nuclear fission is potentially limitless but production is restricted by the limited availability of

The melting of ice is an endothermic change. What best describes the temperature conditions that are likely to make this a spontaneous change?

What was the result of shining the flashlight through the diffraction grating compared to the laser? Explain this difference.

Is beryllium a non metal or metal or metalloid

Seawater density increases with increasing salinity and decreasing pressure. True or False

If 5.0mL of HC2H30 require 4.96mL of 0.9581 M NaOH to just consume the HC2H302, what is the concentration of the HC2H3O2? If necessary, show the calculation on a separate sheet of paper, scan, and submit with your lab report.

How many formula units of CaSO4 are in 17g of CaSO4?

Which of these would be an appropriate way to describe the concentration of orange candies? Check all that apply the number of orange candies divided by total number of candies the mass of orange candies divided by total mass of candies the volume

A 8.00 L tank at 26.9 C is filled with 5.53 g of dinitrogen difluoride gas and 17.3 g of sulfur hexafluoride gas. You can assume both gases behave as ideal gases under these conditions.

What type of wave is sound? a. gamma b. pressure c. electromagnetic d. light