chem

Wavelength, λ (m)

distance from peak to peak

Mole

6. 022 x 1023

What is light? A. A wave B. A particle C. Both D. Neither

Both

Which statement about the breaking of a single chemical bond is true? Energy is released. Energy is absorbed. Energy is released or absorbed depending on the polarity of the bond being broken. Energy is released or absorbed depending on the strength of the bond being broken.

Energy is absorbed

Which statement about the forming of a single chemical bond is true? Energy is released. Energy is absorbed. Energy is released or absorbed depending on the polarity of the bond being broken. Energy is released or absorbed depending on the strength of the bond being broken.

Energy is released

Which has longest wavelength? A. X-rays B. visible C. infrared

Infared

Stoichiometry

The relationship between the macroscopic and molecular level

What is the concept of a mole and what is it used for?

Translation between molecular and macroscopic scale

Which has highest energy? A. X-rays B. visible C. infrared

X-ray

Which has highest frequency? A. X-rays B. visible C. infrared

X-ray

Percent yield

actual amount produced x 100 theoretical amount

Energy

increases as frequency increases (and wavelength decreases)

Frequency, ν (Hz = s-1)

number of wavefronts per sec