What is the frequency of light that has a wavelength of 7.12 x 107 m2 а
4.21 x 1014 HZ
СЫ
4.21 Hz
C
213.6 HZ
od
4.21 x 10-34 HZ

Which statement best describes the oxidation numbers of the atoms found in magnesium chloride? a. magnesium has a 2- oxidation number and chlorine has a 1+ oxidation number. b. magnesium has a 2- oxidation number and chlorine has a 2+ oxidation number. c. magnesium has a 2+ oxidation number and chlorine has a 1- oxidation number. d. magnesium has a 1+ oxidation number and chlorine has a 1- oxidation number.

Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?

What must occur for air masses to form fronts