What is the wavelength of an electron that has 3.3x10^-19 joules of energy?

Select the correct answer. which statement is true about a polarized object? o a. it gains electrons and becomes negatively charged. ob. it gains protons and becomes positively charged. oc. the number of positive and negative charges can be the same. od. it has to be a metal. o e. there is no change in the distribution of the charge in the object. reset next what

2. how is heavy water different from normal water

Which position represents spring in the southern hemisphere? a) b) c) d)