Chapter 5 Vocab

Question 1

Atomic emission spectrum

Answer 1

Set of frequencies of electromagnetic waves given off by atoms of an element

Question 2

Aufbau principle

Answer 2

States each electron occupied the lowest energy orbital available

Question 3

DeBroglie equation

Answer 3

Predicts all moving particles have wave characteristics and related each particles wavelength to its frequency mass and a plancks constant

Question 4

Electromagnetic spectrum

Answer 4

All forms of electromagnetic radiation

Question 5

Electron configuration

Answer 5

Arrangement of electrons in an atom

Question 6

Electron dot structure

Answer 6

An elements symbol representing atomic nucleus and inner-level electrons

Question 7

Ground state

Answer 7

Lowest allowable energy state of an atom

Question 8

Heisenberg uncertainty principle

Answer 8

States that it is not possible to know precisely both the velocity and position of a particle at the same time

Question 9

Max Planck’s conclusion

Answer 9

Matter can gain or lose energy only in small specific amounts

Question 10

Atomic orbital

Answer 10

A 3-D region around the nucleus of an atom that describes an electrons probable location

Question 11

Pauli Exclusion principle

Answer 11

Maximum of two electrons can occupy a single atomic orbital but only if the electrons have opposite spins

Question 12

Quantum

Answer 12

The minimum amount of energy that can be gained or lost by an atom

Question 13

Valence electrons

Answer 13

The electrons in an atoms outer most orbitals