1. The atomic number of lithium is 3. How many neutrons does an atom of lithium have fit is represented by the symbol shown below? 7
O A 2 neutrons
OB. 13 neutrons
O c. 4 neutrons
OD. 7 neutrons

Which element is the least metallic between cadmium, silver, zinc, or iron?

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these