Chemistry Fundamentals

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Questions and Answers

What is the unit of measurement for atomic masses?

Kilograms

Pounds

Amus (correct)

Grams

What is the relationship between the activity series and metals' ease of oxidation?

The activity series lists metals in alphabetical order.

The activity series is not related to metals' ease of oxidation.

The activity series lists metals in order of decreasing ease of oxidation.

The activity series lists metals in order of increasing ease of oxidation. (correct)

What happens when solids are heated with E=hv?

They become magnetic

They become more dense

They change color.

They emit radiation. (correct)

How is average atomic mass determined?

By taking the atomic masses of all isotopes and their abundance Signup and view all the answers

What does Schrödinger's wave equation create?

Orbitals and probability densities Signup and view all the answers

What is formula weight?

The sum of the atomic weights of all atoms in the chemical formula Signup and view all the answers

How many quantum numbers are in the quantum model?

Three Signup and view all the answers

What is an empirical formula?

The most simplified version of a chemical formula Signup and view all the answers

What happens to aqueous solutions?

They conduct electricity and dissociate into ions Signup and view all the answers

What is electron configuration?

The arrangement of electrons in orbitals Signup and view all the answers

How does ionization energy change on the periodic table?

It increases left to right and bottom to top. Signup and view all the answers

What do precipitation reactions produce?

An insoluble product Signup and view all the answers

Which groups of elements have more variation in ionization energies?

Alkali metals and noble gases Signup and view all the answers

What is molarity defined as?

Moles of solute/volume of solution in liters Signup and view all the answers

What is dilution?

Adding water to a concentrated solution to make it less concentrated Signup and view all the answers

What must be done to chemical equations?

They must be balanced Signup and view all the answers

What is theoretical yield?

The amount of product calculated to be produced before the limiting reactant runs out Signup and view all the answers

Study Notes

Atomic masses are measured in amus.
Average atomic mass is determined by taking the atomic masses of all isotopes and their abundance.
Formula weight is the sum of the atomic weights of all atoms in the chemical formula.
Empirical formula is the most simplified version of a chemical formula.
Aqueous solutions can conduct electricity and dissociate into ions.
Precipitation reactions produce an insoluble product.
Molarity is defined as moles of solute/volume of solution in liters.
Dilution is adding water to a concentrated solution to make it less concentrated.
Chemical equations must be balanced and coefficients are used to indicate amounts of components.
Theoretical yield is the amount of product calculated to be produced before the limiting reactant runs out.

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Description

Test your knowledge of chemistry basics with this quiz! From atomic masses to chemical equations, this quiz covers essential concepts for any chemistry student. Sharpen your skills and learn new facts as you answer questions on topics like empirical formulas, precipitation reactions, and theoretical yield. Whether you're studying for a test or just brushing up on your chemistry knowledge, this quiz is a fun and educational way to do it.