Match the vocabulary word with its definition. match the items in the left column to the items in the right column.

1. a charged atom or particle
valence electrons
2. the energy necessary to overcome the attractions of electrons to the nucleus of an atom so as to remove electrons from the atom in the gas phase
ion
3. electrons from one atom that enter into reactions with electrons from a second atom
ionization energy

Can someone me with questions 15 to 17 plz.

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

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.