Identify the molecule with the strongest intermolecular force.
OHBr
O HF
ОНІ
OHCI

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

How can the periodic table be used to predict the behavior of elements?

Which of the following reactions represents an exothermic reaction? nh3(g) + 12.0 kcal ½n2(g) + 3/2 h2(g) ch4 + 2o2 co2 + 2h2o + 212,800 cal c + 2s cs2, h = 27,550 cal c(graphite) c(diamond), h = 0.45 kcal 2h2o 2h2 + o2, h = +58 kcal