If a second-period diatomic molecule has 13 electrons in its valence shell (total of 2s and 2p electrons), what is the predicted bond order of the molecule?

What element breaks down into yttrium-90?

What type of reaction fuels the processes seen here?

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