Which of the following group 7A elements is the most reactive?

A. chlorine

B. iodine

C. fluorine

D. bromine

If there is no net force on an object, then the object will a) continue to accelerate B) begin moving slow down c) maintain it's rate of speed d) have to be at rest

T or F. All the air molecules in this room have the same kinetic energy. Explain your logic.

5. 54g of mercury is heated from 25°C to195°C and absorbs 26110 joules of heat in the process. Calculate the specific heat capacity of mercury.

Heat is transferred from one place to another in three ways. which of the following is not one of the ways heat transfer occurs? a. condensation b. conduction c. convection d. radiation

1. Identify the set of oxides that consist of an acidic, basic, a neutral and an amphoteric oxide respectively a. SO3, CaO, H2O, Al3O3 b. SO3, MgO, NO, Na2O c. N2O, K2O, H2O, ZnO d. CO2, CO, SO2, Al2O 2. Reactions of alkene are mostly a.

If a house viewed through infrared goggles, where would the most seen Answers A. In the basement B. Along a wall C. On the wall D. Near the roof

Recommend an element use to fill bottles that contain ancient paper. the element should be a gas at room temperature, should be denser than helium, and should not easily react with other elements.

I'm named after a very famous scientist. who am I? (Periodic table)

What conversion factor is present in almost all stoichiometry calculations?

What are the red blood cells