A model of an atom is shown above. The blue dots represent electrons, and the red dot represents the nucleus. This model accurately represents

How many atoms are in strontium

Garrett notices a small island has formed off the coast of his hometown in Florida. Which of the following best describes what caused the island to form? A. The sand was deposited into a pile by the action of waves. B.

What is the maximum number of hydrogen atoms that can be covalently bonded in a molecule containing two carbon atoms?

Which is a better conductor of heat: air or a copper wire? Why?

What is the job of a proteolytic enzyme? A. Proteolytic enzymes build protein. B. Proteolytic enzymes break down carbohydrates. C. Proteolytic enzymes break down fats. D. Proteolytic enzymes break down protein. E.

Why can't the subscripts be changed?

What do parentheses around a group of atoms in a chemical formula indicate?

How do you make quesadillas?

Compare the air at 18,000 feet (atmospheric pressure 280 mm Hg) to the air at sea level (760 mm Hg). What specific changes in the primary atmospheric gases (nitrogen, oxygen, carbon dioxide) might occur

Cyanobacteria carry out oxygenic photosynthesis producing oxygen as a byproduct from the oxidation of water, which serves as the electron donor for the light-dependent reactions. how would cyanobacteria be classified?