ACS Chemistry general Exam

Layout of an element (mass # & atomic #)

atomic number =

mass number =

the number of protons in a neutral atom will equal the

how to find the correct number of neutrons

Forms of the same elements that differ in amount of neutrons

What particle, if lost from the nucleus, would NOT cause a change in the atomic number?

When alpha particles were shot at a metal foil target, most passed through without deflections, while others deflected at large angles. What did this suggest to Rutherford?

An atom has a valence shell configuration of 1s1. To which group of elements on the periodic table does it belong?

electromagnetic spectrum

The greater the wavelength of a photon..?

The greater the frequency of a photon...?

Light energy formula

What does C in the light energy formula represent?

Give the ground-state electron configuration of an atom in the second period

Electrons configuration rule that states electrons do not pair until they have to. (put one electrons in each electron domain then pair up)

An experimental phenomena associated with atoms having unpaired electrons - which states such substances are attracted to magnetic fields

Which drop in energy level results in the greatest emission of energy?

quantum numbers

What do the 4 quantum numbers stand for?

List the quantum numbers for the s, p, d, and f orbitals

Py orbital

Which element is represented by X

What two subatomic particles have the most mass, but occupy very little of the volume of an atom

Define Isoelectronic

How does a sodium ion differ from a sodium atom?

two or more compounds with the same formula but a different arrangement of atoms in the molecule and different properties

two or more different physical forms in which an element can exist. Graphite, charcoal, and diamond are all ________ of carbon.

What makes up an alpha particle?

What did Millikan discover from his oil drop experiments?

Periods vs Groups

when an atom of an electropositive atom becomes an ion it..?

Nearly all the mass in an atom is located _________ because both ______ & ______ are located there, and each of these particles have a mass larger than the ______

Classify the following as an element, compound, or mixture. If it is a mixture, decide if it is a homogeneous or heterogeneous mixture.

1 Sugar

2 Spaghetti Sauce

3 Phosphorus

Properties that do depend on the amount of matter present.

Dz^2 orbital

Dxy orbital

Dx^2y^2 orbital

List the shape, electron domain geometry, and predicted bond angle of a molecule with 6 electron domains

List the electron domain geometry & molecular geometry of a molecule with 4 electron domains (4 bonding 0 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 4 electron domains (3 bonding 1 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 3 electron domains (2 bonding 1nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 3 electron domains (3 bonding 0 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 2 electron domains (2 bonding 0 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 4 electron domains (2 bonding 2 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 5 electron domains (5 bonding 0 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 6 electron domains (6 bonding 0 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 6 electron domains (5 bonding 1 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 5 electron domains (2 bonding 3 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 5 electron domains (3 bonding 2 nonbonding)

List the electron domain geometry & molecular geometry of a molecule with 5 electron domains (4 bonding 1 nonbonding)

List the shape, electron domain geometry, and predicted bond angle of a molecule with 5 electron domains

List the shape, electron domain geometry, and predicted bond angle of a molecule with 4 electron domains

List the shape, electron domain geometry, and predicted bond angle of a molecule with 2 electron domains

List the shape, electron domain geometry, and predicted bond angle of a molecule with 3 electron domains

What does a nonbonding electron domain represent?

What does a bonding electron domain represent?

how many valence electrons does hydrogen have?

Identify the bond that would form between an element with a low ionization energy and an element with a high electron affinity

What does it mean when an element has a low ionization energy?

What does it mean when an element has a high electron affinity

The type of bond that results when both elements contribute electrons to form a shared pair

The type of bond that results when both elements contribute electrons but one element furnishes both electrons

High energy photons have enough energy to do what?

What has to be true of a non polar molecule that has polar bonds

a molecule in which a concentration of positive electric charge is separated from a concentration of negative charge.

What type of compound is expected to have the largest dipole movement?

The boiling point of H2O, compared with other members of the series can be explained by

How do you calculate formal charge?

a triple bond is made up of

a double bond is made up of

What is the molar volume of a gas?

If a 17.0g of impure Ni+ metal reacts with excess carbon monoxide, CO, forming 6.25 L of Ni(CO)4 gas under standard temperature and pressure conditions, what is the percent by mass of Ni+ in impure nickel metal sample?

What do you start the stoich equation?

When rounding to 3 sig figs, if you have a number that is .9647

What is the main gas law equation?

What is the equation for Pressure?

Gas Law: Temperature-Volume relationship, at constant pressure. What is the constant for Charle's Law?

Gas Law: Pressure-Volume relationship, at constant temperature. Boyle's Law

Gas Law: Pressure- Temperature relationship, at constant volume. Gay-Lusaacs' Law

Temperature in Gas Law equations must be in what type of measurement? What is the conversion?

P1V1 will always equal________ if temperature and particle numbers are constant

1 atm = ? kPA?

What does R equal when dealing with meters/mol K

(m^3/mol)

What does R equal when dealing with Liters kPA/mol K

(L/mol K)

What does R equal when dealing with Liters atm/ mol K

Solubility: NO3-

Solubility: C2H3O2

Solubility of Cl- Br- I-

Solubility of SO4 2-

Solubility of OH- and O2-

Solubility of PO4 3-

Solubility of CO 3-

Solubility of SO3 2-

Solubility of S 2-

2 electron domains results in what type of hybridization?

6 electron domains results in what type of hybridization?

reaction in which electrons are transferred from one reactant to the other

Assigning Oxidation Numbers Rules (3)

Assigning Oxidation Number Rule Exceptions

What does the Reducing Agent do in a redox reaction? (aka the Reductant)