Which of the following reaction types best matches "Na + Cl2 --> ..."? A. Decompostion
B. Synthesis
C. Single Replacement
D. Double Replacement

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

How many moles of lead are in 1.50 x 10^12 atoms of lead? could you explain the answer as well and not just give it to me i am refreshing for finals and i need to know how to do it

What does an electron configuration for an atom relate to the atoms placement on the periodic table