True or False?

Two of the same element chemically combines form a molecule of that element (like O2, I2, N2, H2, etc.)

Indentify three types of fossils

Particles (molecules) in a have more energy than the other states of matter.

What is the total number of different elements in NH4NO3

From the solubility curve, which salt shows the least change in solubility as the temperature increases? nacl kbr nano3 kno3

Rank the following solutions from the highest [H3O+] (1) to the lowest [H3O+] (5). [H3O+] = 3.16 * 10-4 M [OH-] = 4.35 * 10-2 M pH = 1.05 pOH = 7.0 pOH = 4.0

Name 1 other organ system that would be affected if u had no marrow

Convert to standard notation. 7.77 x 10-4

The temperature of an acid solution is 25 c. a strip of magnesium added to the solution, ad the temperature rises 2 c per min for the first 3 min. after an additional 5 min, the temperature has risen another 2 c.

D-Fructose is the sweetest monosaccharide. How does the Fischer projection of D-fructose differ from that of D-glucose?

What are the four symbols for physical states of reactants and products?