Given the statement "If a line is horizontal, then it has slope equal to zero," what is its contrapositive? If a line is horizontal, then it has zero slope.
O Ifa line has zero slope, then it is a horizontal line.
O If a line is not horizontal, then it does not have zero slope.
O If a line does not have zero slope, then it is not a horizontal line.

What will most likely happen when two bromine atoms bond together?

What does the symbol (–hfus) indicate in a phase change?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.