If an electron emits a photon with a wavelength of 656 nm when it drops from the third quantum level to the second quantum level, what color of visible light does it emit? A. violet B. red C. blue D. yellow

Which term refers to a property that depends only on the amount of a substance? ©@

Astudent made the lewis dot diagram of a compound shown. what is the error in the lewis dot diagram? a)an o atom should transfer all of its six electrons to mg because the formula is mgo b) both electrons of mg should be transferred to one o adam because the formula is mgo c) the electrons should be transferred from each o add him to capital mg because mg has fewer electrons d) the number of dots around mg should be four because it has to transfer two electrons to each o

How do you lengthen a pattern piece? (family and consumer science, sewing)