Explain how mary would conduct a science experiment to test wheather plants need soil to grow.

Which statement describes the particle of an ideal gas? (1) The particles move in well-defined, circular paths (2) When the particles collide, energy is lost (3) There are forces of attraction between the particles (4) The volume of the particle is

Sodium ion is a. cations b. anion c. electrolyte d. ion e. ionization

What is the compound name for S4O5

The modern periodic table is organized by? A. Atomic number B. Number of protons in each element C. atomic weight D. Chemical properties

Which describes the role of oxygen in photosynthesis?

What is atomic and mass number

You mix 55 ml of 1.00 m silver nitrate with 25 ml of 1.06 m sodium chloride. what mass of silver chloride should you form?

Consider the compounds 4-tert-butylcyclohexanol and 4-tert-butylcyclohexanone. using silica gel plates, which of the two compounds will have the higher rf value when ethyl acetate is the developing solvent?

Which model of election configuration is the most accurate? The quantum mechanical atomic model The Rutherford atomic model The Bohr atomic model O Plum pudding atomic model The quantum gravity atomic model

How is the rate of appearance of h2o related to the rate of disappearance of o2?