Write the following number in standard scientific notation 12.8×10-1

Write the following as an ordinary decimal 5.432×10-2

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Certain molecules act like bank accounts for H+ ions because they can absorb excess H+ ions to keep a solution from becoming too acidic and release H+ ions to keep the solution from becoming too basic. Such molecules are called:

When comparing two groups, the ______________, the more confident we are of the conclusion that a significant difference exists in the groups.

Scientific data:

The set of analytical and mathematical tools designed to help researchers gain understanding from the data they gather is called:

What would happen if you subdivided an atom of sodium?

What should you do when something you believe turns out to be wrong?

Under which condition are atoms most stable and least likely to bond with other atoms?