What does the subscript in a chemical formula represent (the 2 in H2) ?

How is half-life most likely used with respect to this fossil? to find the mass of the fossil to find the age of the fossil to determine the species shown by the fossil to determine if radiation is being emitted from the fossil

Find oxidation numbers for the following: Cl: Be: Al: Ca: O:

How many ears do cray fish have

What is the relationship between atomic mass and relative abundance of isotopes?

Explain how a redox reacation involves electrons in the same way that a neutralization reaction involves protons

To what chemical reaction class does this reaction belong? 2 mg (s) + o2 (g) 2 mgo (s)

Which best illustrates how particle arrangement changes when solids change into liquids

Express in scientific notation (6.0x10^4) (3.1x10^-1)

How do you measure the mass of a liquid?

Given the following information, calculate the mass for B-11. B-10 has a natural abundance of 19.9 percent, while B-11 has a natural abundance of 80.1 percent. The mass of B-10 is 10.013 amu.