2.2 Chemical Bonds and Molecules

technique

A(n) ________ called Positron Emission Tomography (PET) highlights regions of the body that are usingglucose, the body's major energy source.

Iron

________ plays an important role with two hydrogen atoms and one oxygen atom, and copper cose plays a similar role with 6 carbon atoms, 12 hydrogen atoms, and 6 12 6.

blue electron

The ________ will participate in bonds.

Free radicals

________ can be charged or neutral.

salt crystal

A(n) ________ has a lattice in which the positively charged Na+) are attracted to the negatively charged chloride ion.

atoms

Some ________ attract electrons more strongly than others.

NaCl

________ has 17 protons but now has 18 electrons, which is a net negative charge.

gent properties

What are one of the most important features of compounds? Answer with a single words or term.

Twomolecules

________ are shown that an atom or an ion is most stable when each of its orbitals is occupied by a full complement of electrons.

new shape

What is created by rotating this bond? Answer with a single words or term.

Chemical bonds

________ hold the atoms together.

hydrogen bonds

The ________ may bind to the enzymes.

Van der Hydrogen bonds

________ can be found in a single large molecule.

sodium ion

A(n) ________ has 11 protons, but only trons lose 2 electrons to become a calcium ion.

sodium atom

When an electron is removed from one atom, it must be transferred to another atom. A(n) ________ has one electron in its third shell.

atom

Each ________ has a number of bonds.