atomic theories

Question 1

billiard ball model

Answer 1

the atom is a simple, empty solid sphere with no fetatures

Question 2

blueberry muffin

Answer 2

electrons are evenly distributed within the positively charged muffin

Question 3

nuclear

Answer 3

atoms have a core (nucleus) which contains protons

Question 4

photon

Answer 4

unit or quantum of light energy

Question 5

electromagnetic spectrum

Answer 5

range of all types of EMR according to their frequency, wavelength, and energy

Question 6

spectroscopy

Answer 6

TECHNIQUE for analyzing EMR spectra

Question 7

spectroscope

Answer 7

instrument used to produce and record spectra

Question 8

pauli exclusion principle

Answer 8

no 2 electrons can have the same 4 quantum numbers

Question 9

hunds rule

Answer 9

before any 2 electrons can ocupy an orbital in a sublevel, the other sublevels must contain 1 electron

Question 10

aufbau’s principle

Answer 10

electrons are filled starting with the lowest energy level

Question 11

heisenberg uncertainty principle

Answer 11

the idea that it is impossible to know the exact location and speed of an electron at a given time