Which of these is a covalent compound? question 5 options: no2 licl alcl3 na2s

What is the molar mass of the anhydrous compound? answer using four significant figures. 36.02 g/mol 120.15 g/mol 156.12 g/mol

Calculate the percent composition by mass of each element in al(oh)3. use at least three significant figures.

Two nails have identical sizes and shapes. in one nail, 20 percent of the domains are lined up. in the other nail, 80 percent of the domains are lined up. which has stronger magnetic force? first answer gets brainliest!