Which statement is true about the formation of bonds?
a. atoms come together when bonds are broken

b. bonds are formed without energy being put in or coming out

c. there is an overall energy increase when bonds form

d. there is an overall release of energy when bonds form

Determine the expected diffraction angle for the first-order reflection from the (310) set of planes for bcc chromium when monochromatic radiation of wavelength 0.0735 nm is used. the atomic radius for cr is 0.1249 nm.

Which statement best describes who the period and frequency of electromagnetic was change between gamma rays and microwaves? a) the period and frequency stay the same. b) the period increases and the frequency decreases. c) the period decreases and the frequency increases. d) the period increases and the frequency increases.

The softest and hardest minerals are: softest hardest