Social class is defined as

a group of people with similar levels of wealth, power, and prestige.

a group of people of the same sex, race, and ethnicity.

a group of people with nothing in common.

a group of people of the same age.

Which of the following planets is considered a rocky, or terrestrial, planet? A) Venus B) Neptune C) Saturn D) Uranus

Scientific explanations of natural phenomena are based on A. opinion polls of scientists. B. only the observations made by a single scientist. C. only the most recent empirical evidence. D. all the empirical evidence available.

What happens when a solid is dissolved into a liquid? A) Solid particles float toward the surface layer of liquid particles. B) Solid particles sink down toward the bottom layer of liquid particles.

If you have 112 g of Ni and 112 g of AgNO3, how many atoms of silver would be produced?

A mixture of 0.600 mol of bromine and 1.600 mol of iodine is placed into a rigid 1.000-L container at 350°C. Br2 (g) + I2 (g) 2IBr (g) When the mixture has come to equilibrium, the concentration of iodine monobromide is 1.190 M.

If you start with 4.5 moles of aluminum and 6.5 moles of copper chloride to make aluminum chloride and copper, what is the limiting reagent? 2AL+3CuCL->2ALCL3 + 3Cu

True or false? An energy-level diagram shows all electron levels of an atom.

Oxygen, nitrogen, and fluorine bond with hydrogen to form molecules. these molecules are attracted to each other by

If a substance consists of only one kind of atom, it is an ... A. mixture B. element C. solution

Why would a crash involving cars going faster do more damage than a crash going slow? explain using terms kinetic and potential and inertia. Science