A. what are the noble gases? b. what is a noble-gas configuration? c. how does noble-gas notation simplify writing an atom's electron configuration?

Why is water considered a pure substance and not a mixture?

Which of the following objects has the greatest kinetic energy? A. O a baseball flying tough the air at 90 miles per hour B. a baseball flying through the air at 45 miles per hour C. a baseball flying through the air at 20 miles per hour D.

Global warming facts

What organisms appeared on Earth First? a). gastropods b). horn corals c). brachiopods d). crinoids

Calculate the theoretical yield of glycolysis and complete glucose breakdown

What can you tell about the rate of the two reactions shown in the graph?

You have 40 g of a radioisotope. If the half-life of this radioisotope is 4 days, how many grams will remain after 12 days?

What does it mean to say water is 11% hydrogen by mass

Will helium, neon, or argon atoms react with other atoms?

How many sulfur atoms are there in 5.52 mol of sulfur