I am not sure plz show me the question
The galactic center, meaning the center of the milky way contains millions of stars all of various types
Acids: taste sour, has a pH less than 7
bases: tastes bitter, has a pH greater than 7
Organic chemistry is the study of molecules containing carbon, so A
If uranium-241 lost 2 protons and 2 neutrons, then thorium-237 would be produced. The number beside the element is the mass number which is the sum of protons and neutrons. If uranium would lose 2 protons and 2 neutrons, then the mass number would decrease by 4 making it 237. Looking in a periodic table, thorium is the element which has a mass number of 237.
