How did neil’s bohr describe electrons in his atomic model

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.

Which activity is an innate behavior

When the ionic compound nabr dissolves in water, br– ions are pulled into solution by the attraction between what two particles? a. the na+ and br– ions b. the na+ ion and the negative end of a water molecule c. the br– ion and the positive end of a water molecule d. the br– ion and the negative end of a water molecule