Who was the first to state the concept of an atom? Neils Bohr John Dalton Ernest Rutherford Democritus

What volume (measured at STP) will 3.75 grams of helium gas occupy?

What general trend do you observe in the electronegativity values of the elements as you go from left to right on the table? Given the definition of electronegativity displayed on the table, explain this trend in electronegativity.

What is the name of this acid: H3P?

Could a scientific theory be thought as a scientific law that doesn't have as much evedience supporting it

What is the radius of the sun in scientific notation

How is the ocean important to human survival? restate the question

A sample of pure lithium contains 7.99% lithium by mass. What is the % lithium by mass in a sample of pure lithium nitrate that has twice the mass of the first sample?

What ecosystem is being described in the passage?

In the enzyme reaction above, catechol is the substrate, oxygen is a reactant, catechol oxidase is the enzyme, benzoquinone is the product, and water (H2O) is a by-product. Which of the following will decrease the rate of this reaction? a.

How do acids and bases affect the quality of freshwater sources?