5) each element is unique and different from other elements because of the number of protons in the nuclei of its atoms. which of the following indicates the number of protons in an atom's nucleus? a) atomic mass b) atomic weight c) atomic number d) mass weight e) mass number

3.) for each of the following compounds, draw the major organic product of reaction with hcl or naoh and circle whether the starting materials and products will be more soluble in organic solvent or water benzoic acid + hcl: benzoic acid + naoh: oh benzoic acid water/organic water organic fluorenone hс: fluorenone + naoh: fluorenone water/organic water/organic веnzocaine + hci: benzocaine + n»oh: h2n benzocaine water/organic water organic o=

Based on its chemical properties, identify the position of each chemical family on the periodic table.

Which statement is true about this reaction? 14n+1h 15o it is a practical source of energy on earth. it occurs only outside the solar system. its product is heavier than each of its reactants. it shows the critical mass of an element.