What happens to the atomic radius as the atomic number increases?

Elements that have their outermost shells filled are stable structures that are chemically ... ?

What elements make up the formula: H2SO4

The structural formula for a water molecule is

Hydrogen can be extracted from natural gas according to the following reaction: CH4 (g) + CO2 (g) 2CO (g) + 2H2 (g) Kp=4.5*102 at 825 K An 85.0 L reaction container initially contains 22.3 kg of CH4 and 55.4 kg of CO2 at 825 K.

In the following list, decide whether each item is a physical or a chemical change: a. liquid water freezes into solid ice b. wood burns to ashes c. a window shatters when hit with a rock d. an old car sits in a junkyard and rusts e.

Dalton's atomic theory

Describe how food is digested and absorbed

If a solution A has twice as much solute as solution B. Is it possible for the solutions to have the same concentration?

Chris is studying oxidation and reduction reactions. Which of the following could she use as an example of an oxidation reaction?

In a short circuit as the resistance decreases what happens to the current?