ELECTRON CONFIGURATION
DISCOVERIES
RULES
YOU'D BE CRAZY TO PICK THIS CATEGORY
200

The two types of spin for electrons.

UP & DOWN

200

The name for the original model of the atom that involved a positive soup.

PLUM PUDDING MODEL

200

States that electrons of lower energy fill orbitals before electrons of higher energy.

AUFBAU PRINCIPLE

200

The two main types of quarks.

UP & DOWN

400

The orbital that fills immediately after 3d.

4p

400

The scientist behind the gold-foil experiment that discovered the nucleus.

RUTHERFORD

400

This would explain why you could never have 1s3

PAULI EXCLUSION PRINCIPLE

400

The number of up quarks in a proton.

2

600

The name of the type of element that can be used for abbreviations.

NOBLE GAS

600

What happened to the majority of particles fired at the gold foil in that experiment.

PASSED STRAIGHT THROUGH

600

All must be of the same spin direction before any pairing.

HUND'S RULE

600

The name for an isotope of hydrogen with two neutrons.

TRITIUM

800

The first element that has an f-orbital electron.

CERIUM

800

J.J. Thomson discovered electrons coming from this negative end of a CRT.

CATHODE

800

Two different electrons cannot occupy the exact same quantum state.

PAULI EXCLUSION PRINCIPLE

800

The energy level number where the f-orbital first shows up.

4

1000

The s in s-orbital stands for this.

SHARP

1000

The approximate size of an electron compared to a proton.

1/2000

1000

Principle by which neutrons help protons stay in the nucleus.

STRONG NUCLEAR FORCE

1000

The largest subatomic particle.

NEUTRON