The electrons of an atom are
negatively charged and located inside the nucleus.
positively charged and located inside the nucleus.
negatively charged and located outside the nucleus.
positively charged and located outside the nucleus.

Which statement about the stamps is correct?

An atom of sodium-23 (atomic number = 11) has a positive charge of +1. give this information, how many electrons does it have? how many proteins and neutrons does this atom have

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.