Bohr’s model could only explain the spectra of which type of atoms? bonded atoms with one electron bonded atoms with more than one electron single atoms with one electron single atoms with more than one electron

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

Which of the following electromagnetic waves can create ions?

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?