Chapter 1 - Covalent Bonding and Shapes of Molecules 

An atom's nucleus has a diameter of 10214 to ________ (m)

A(n) ________, dense nucleus of neutrons and positively charged protons make up an atom.

________ have found or created over 10 million compounds including carbon and the three other elements.

A(n) ________ containing negatively charged electrons surrounds the nucleus.

The electrons inhabit a substantially bigger space, with a diameter of around ________, as seen in the accompanying picture.

________, in its most basic description, is the study of carbon compounds.

________ can be found in a variety of products, including foods, flavors, and fragrances; medicines, toiletries, and cosmetics; plastics, films, fibers, and resins; paints and varnishes; glues and adhesives; fuels and lubricants; and, of course, our bodies and the bodies of all living things.

________ in higher- numbered shells are retained less firmly because they are further away from the positively charged nucleus.

The term "Shell "refers to a region of space around a nucleus that can be occupied by electrons, corresponding to a(n) ________.