X is a second period element belonging to Group 7A. Which of the following choices corresponds to the largest predicted bond dissociation energy? A) X2.
B) X-.
C) X 2+.
D) X+.
E) X22-.

What type of energy conversion occurs when you place your feet near the fire place and they become warm

Which factor is likely to impact the possible number of compounds? presence of unlimited number of elements in the periodic table the inability of atoms to align perfectly with other atoms the ability of all elements to react with every other element all elements being equally reactive

20 grams of water. she poured out 15 grams. which of the following physical properties of the water changes? a .boiling point b. density c .electrical conductivity d .volume