Give the symbol for the element that has an electron configuration of 1s22s22p63s23p4.

When the metal was placed in the calorimeter, its temperature dropped to the equilibrium temperature. Calculate the change in temperature of each metal sample. Record these values in Table B of your Student Guide.

Which of the following elements has three valence electrons? a. sodium b. argon c. oxygen d. gallium

Convert the volume to its equivalent in milliliters. 14 μL = ? mL

When substances go through chemical changes what happens

AgCl (silver chloride) a. List the elements by name. b. How many atoms of each element? C. How many total atoms in the formula?

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?