Number 8 in metals, reactivity increases across a period, and in non metals reactivity increases across a period.

A. to the left, to the left
B. to the left, to the right
C. to the right , to the left
D. to the right, to the right
​

State two physical properties of ionic compound

An exothermic reaction is conducted in an insulated calorimeter filled with water. the calorimeter is then sealed so that there is no heat exchanged between the contents of the container and the surrounding air. which of the following statements is true about the reaction?

If oil spills continue, all of the following should be expected except (2 points) death of aquatic life. polluted groundwater. decreased soil productivity. increased global temperatures.