How many of the following species can be represented with the resonance
structures?
NO3-, CO3 2-, PO3 3-, GeO4 4-, ClO4-

Ascientist measures the speed of sound in a monatomic gas to be 449 m/s at 20∘c. what is the molar mass of this gas?

Which statement best describes what happens when molecular compounds melt

Which of the following best describes technology a. something created for only scientists to use b.the method of thinking that scientists use. c.the application of engineering to create useful products. c. a scientific idea