Ionic compounds are compounds made of? A)metals and no metals
B) nonmetals only
C) alkali metals and noble gases
D) metals only

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Ahypothesis must be testable and falsifiable to be considered scientific a. trueb. false

For the reaction c6h14(g) & longrightarrow; c6h6(g) + 4h2(g), δp(h2)/δt was found to be 2.5 x 10-2 atm/s, where δp(h2) is the change in pressure of hydrogen. determine δp(c6h14)/δt for this reaction at the same time.