Chemistry Final Review

Moving from left to right across the periodic table shows which of the following trends?

Which sub-atomic particles have approximately the same size and mass?

Atomic radius increases going ___________ a column and decreases going from ____________ across a row of the PTE.

The Law of Conservation of Energy states that

The "dime in a football field" analogy illustrates which of the following?

Pure substances describe which of the following?

Balancing chemical equations is accomplished by including ___________ into the chemical equation.

What stops a reaction from proceeding and determines how much product can be formed in a chemical reaction?

What answer uses the correct number of significant digits when multiplying 4.0 x 5?

Which of the following is not a postulate in Dalton's Theory of Matter?

Which of the following can form single, double, or triple bonds?

Why is the mass of electrons usually not considered when calculating an atom's mass?

A metal and a nonmetal will bond together to form which of the following bonds?

Which element accounts for the largest portion of Earth's atmosphere at about 78%?

What would be the charge of an ion that has 9 protons, 10 electrons, and 11 neutrons?

Which of the following does not describe the behavior of gases?

What will be the chemical formula for a compound consisting of magnesium (Mg) and oxygen (O)?

Which of the following molecules is polar due to its shape and bonds?

Which of the following cannot be used to describe electron orbitals?

The __________ force holds the nucleus together, and the __________ are considered the "glue" of this force.

Which of the following is not a molecular shape according to the VSEPR theory?

[C + H₂O --> CO + H₂ ΔH = +113 kJ] is an example of what type of reaction?

Lack of reactivity inspired the name of which of the following groups?

Experiments are designed to test the

Which of the following electron energy level changes would result in an emission of light?

Which method for separating mixtures would work best to purify water by separating it from its dissolved solutes?

H₂O --> H₂ + O₂ can be classified as what type of reaction?

If the temperature of a gas increases, then its volume will __________ and pressure ____________.

Which of the following is not equal to 1 mole?

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁵ is the electron configuration for which element in its ground state?

Which of the following is not true about the structure of an atom?

The __________ states "Atoms tend to gain, lose or share electrons in order to acquire a full set of valence electrons."

All of the elements in the same ____________ share similar properties.

What can be determined by the following symbol: Mg²⁺

Which law states "When elements are arranged by increasing atomic number, their properties show a repeating pattern"?

The atomic number can be thought of as the number of

Which of the following elements would have the greatest electronegativity?

How many neutrons are in an atom of chlorine-37? (Chlorine is atomic number 17)

How would the number 0.00225 be expressed in scientific notation?

Why is chemistry called the central science?

Which of the following is an example of a physical change in matter?

Which of the following lists is made up of only SI units?

Which of the following is not a type of radioactive decay?

Which of the following cannot be used to describe waves?

22.4 L of O₂ at STP is equal to how many grams of O₂?

"A given compound always has the same number and kind of atoms" is stated in which law?

Ions are atoms that contain

"The study of matter and the changes it undergoes" describes which of the following areas of science?

C₆H₁₂O₆ is the __________ formula for glucose, and CH₂O is the ____________ formula.