Which of these is not an ionic compound? a. kf b. SrCl2 c. CO2 d. Na2O

Write the chemical symbols for three different atoms or atomic cations with 27 electrons. asap!

Asample of ammonia reacts with oxygen as shown. 4nh3(g) + 5o2(g) 4no(g) + 6h2o(g) what is the limiting reactant if 4.0 g of nh3 react with 8.0 g of oxygen? o2 because it produces only 0.20 mol of no. nh3 because it produces only 0.20 mol of no. o2 because it produces two times less no than nh3. nh3 because it produces three times more no than o2.

Why are people not able to scuba dive in the deep part of the ocean