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-.

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

What term describes technology that operates on an atomic level