Atoms of elements that are in the same group have the same number of

a. protons.

c. valence electrons.

b. neutrons.

d. protons and neutrons.

As the population increases, so does household waste. The most environmentally friendly, and also realistic, solution to this state's household waste problem would be A) more extensive use of landfills. B) building underground waste storage tanks.

Which best describes how a covalent molecule would be formed

Which type of ions are formed when an acid is dissolved in water?

Why does phenolphthalein turn pink

A balloon is filled with helium gas. What will happen as the average kinetic energy of the helium particles increases? The balloon will decrease in total volume. The temperature of the balloon will decrease.

what combination will result in a acidic solution? a reaction of strong acid and strong base b reaction of strong acid and weak base c a reaction of weak acid and strong base d reaction of weak acid and weak base

How many moles of sucrose (C12 H12 O11) would be in 7.1 liters of a 0.93 molarity solution of sucrose?

If the temperature is constant what change in volume would cause the pressure of an enclosed gas to increase by a factor of 4

For the reaction of carbon with carbon dioxide to make carbon monoxide, one set of conditions produced a Kc = 1.2 * 10-1. At equilibrium at a certain temperature, the concentration of product was 0.60 M.

Water is a colorless and odorless liquid. It can exist in solid, liquid, and gas states. It boils at 100 degrees C and melts at 0 degrees C. Which option best describes this information? A. These are the physical properties of water. B.