1. Which pair of elements will form an IONIC bond? A. Phosphorus and Chlorine (P and Cl)

B. Hydrogen and Oxygen (H and O)

C. Sodium and Chlorine (Na and Cl)

D. Carbon and Oxygen (C and O)

What is happening when the water inside a kettle heats up and begins to boil

Select the statement that describe chemical properties a. antacid tablets neutralize stomach acid b. helium is the lightest monatomic element c. water freezes at 0 celsius d. mercury is liquid at room temperature

What is the magnitude of the force of gravity between to 1000 kg cars which are separated by distance of 25. 0 km on an interstate highway? the force between the two cars will be what