How many hydrogen(H) atoms are on the reactants side

A.2
B.6
C.12
D.6

What is the amount of energy for a photon that has a 125 cm wavelength

He nucleus contains the cells genetic material in the form of dna. dna is organized into our chromosomes, which are made up of thousands of that determine our traits.

Which of the following describes qualitative data? a) recording the temperature of a solid as it is warmed. b) noting the color of a solution as it is heated. c) measuring the volume of an object by water displacement. d) taking the mass of an object using a balance.