Study the electron dot diagrams for lithium, carbon, fluorine, and neon in figure 6-1. choose the statement that correctly identifies the most stable of the elements. a. lithium is the most stable element because it has to lose only one electron to achieve a stable configuration. b. carbon is the most stable element because it can form four bonds. c. fluorine is the most stable element because it has to gain only one electron to achieve a stable configuration. d. neon is the most stable element because its highest occupied energy level is filled.

Fill in the blank 1. digestion occurs in the small intestine through the action of enzymes. 2. urea, excess water, and other waste materials are eliminated in a water fluid called 3. can cause infections by injecting dna or rna into hosts. 4. the human immune system produces in response to a vaccine, which later can bind to and destroy a pathogen if it invades. 5. are structures that link bone to bone at a joint 6. in the heart, blood flows from the right atrium to the right ventricle, where it is pumped to the the words i can use are: lymphocytes gliding pivot gas urine absorption dermis fulcrum lungs chemical viruses capillary vertebrae esophagus tendons antibodies synapses ligaments kidneys pathogens