Who first proposed the idea of an atom?

What makes a pure substance different from a heterogeneous mixture? The components of a pure substance are mixed unevenly instead of evenly within the pure substance. Insoluble instead of soluble particles are suspended within the pure substance.

Which of these is most similar to the Aztec political system? O A. A country makes laws to ensure that religion has a small role in politics. O B. A group of priests create all policies related to religion in a country O C.

In lab, you actually produced, 56.7 grams of potassium chloride but the equation shows you should have made 58.9 grams. What is your percent yield to the tenths place?

What has happen to join two monosaccharide units into a disaccharide?

Choose the correct net ionic equation for the reaction (if a reaction occurs) between CaCl2 and AgNO3: Group of answer choices 1. Ca2 2AgNO3 - -> 2Ag 2. Ca (NO3) 2 Ca2 3. 2NO3 - - -> Ca (NO3) 2 Ca2 4. 2Cl - 2Ag 2NO3 - - -> 2AgCl 5. Ca (NO3) 2 Ag 6.

Which are ways to ensure that temperature readings are accurate? Check all that apply. shaking the thermometer before use using the thermometer as a stirring rod making sure the liquid inside the thermometer is at eye level when taking the

Is sulfur or chlorine a larger atom?

Use the correct terms to explain the osmotic concentrations of the solutions.

When aqueous solutions of chromium (II) iodide and sodium phosphate are combined, solid chromium (II) phosphate and a solution of sodium iodide are formed. The net ionic equation for this reaction is:

Why we cannot see an atom with a naked eye?