Which statement accurately describes the reactants of a reaction? substances that are used up in a reaction

substances that do not participate in a reaction

new substances formed in the reaction

new substances that are present at the end of a reaction

Plz choose one of the compounds from the table and explain how you know the numbers of atoms in your formula. is it possible for two different compounds to be made from the exact same two elements? why or why not? with a limited number of elements (less than 120 are known), does this mean we also have a small number of compounds or do we have a large number of compounds in this world?

What is the empirical formula of c6h18o3? ch3o c2h5o c2h6o c2h5o5

Which of the following shapes would represent a molecule with two bonded atoms and 3 lone pairs on only one of them , trigonal planar , bent , trigonal pyramidal , linear