Match the following terms to their definitions. physical change chemical bond conservation chemical change nuclear change 1. rearrangement of atoms of substances resulting in new substances being formed 2. the physical quantity of matter and energy is entirely preserved during transformations and reactions 3. change to a substance that does not change its chemical composition 4. change to the structure of the nucleus of an atom which generally changes one element into another 5. force of attraction that holds two or more atoms together

Plzz a sample of table sugar (sucrose, c12h22o11) has a mass of 7.801 g. ● a) calculate the number of moles of c12h22o11 in the sample b) calculate the number of moles of each element in c12h22o11 (number of moles of c, number of moles of h & number of moles of o) in the sample. (use your answer from part a as your starting point.) show your work and highlight your final answer. calculate the number of atoms of each element in c12h22o11 (number of atoms of c, number of atoms of h & number of atoms of o) in the sample. (use your answers from part b as your starting for each element.) show your work and highlight your final answer.