Regents Chemistry

What's the Matter?

100

These are the subatomic particles in order of charge (negative, neutral, positive)

What are electrons, neutrons, and protons?

200

These subatomic particles are in the nucleus

What are protons and neutrons?

300

This is represented by 1s^2 2s^2 2p^6 etc. 

What is electron configuration?

400

The mass of each proton and each neutron is

approximately equal to

1 u

500

As an atom in the ground state changes to an

atom in an excited state, the atom

absorbs energy

Formulas

100

Mole calculations

Number of moles = given mass / gram-formula mass

200

Percent error

((measured value - accepted value) / accepted value) x100

300

Molarity

Moles of solute / Liters of solution

400

Titration

M_AV_A = M_BV_B

500

Heat

q = mC(Delta T)

Name it

100

This rule says that there must be 8 electrons in the outermost orbital

Octet Rule

200

Na₂CO₃

Sodium Carbonate

300

Which type of reaction occurs when an Arrhenius acid reacts with an Arrhenius base to form a salt and water?

Neutralization

400

State the molecular polarity of a CO2 molecule.

Nonpolar

500

What is the IUPAC name for C8H18?

Octane

History? In Chemistry? (and other related concepts)

100

Which conclusion was proposed as a result of an

experiment during which some alpha particles

were deflected while passing through a thin sheet

of gold foil?

Atoms have small, dense, positive nuclei.

200

According to the wave-mechanical model of the

atom, electrons are located in

Orbitals

300

The elements on the Periodic Table of the

Elements are arranged in order of increasing

Atomic number

400

The concept that matter is composed of tiny, discrete particles is generally attributed to who (a person)?

John Dalton

500

Who used a cathode ray tube in an experiment that proved the existence of electrons?

J.J. Thomson

We learned that?

100

Which process occurs at the anode in an

electrolytic cell?

Oxidation

200

Compared to a 0.10 M aqueous NaNO3 solution

at 1 atmosphere, a 1.0 M aqueous NaNO3 solution

at 1 atmosphere has a

lower freezing point and a higher boiling

point

300

What is the gram-formula mass of Mg(NO3)2?

148 g/mol

400

What is the molarity of a NaOH solution

containing 0.125 mole of NaOH in 0.200 L of

water?

0.625 M

500

Based on Table S, determine the electronegativity difference between oxygen and

calcium in calcium oxide.

2.4