Cho các chất sau Nacl Agno3 k2o fe ba(oh)2 h2so4 so2 cu caco3 HCl những chất nào tác dụng được với nhau , viết pthh

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

What is the oxidation state of an individual bromine atom in nabro3?

The bohr model of the atom explained why emission spectra are discrete. it could also be used to explain the photoelectric effect. which is a correct explanation of the photoelectric effect according to the model?